Dead Animosities
Mentioned as a former friend of d'Artagnan; d'Artagnan claims not to know his whereabouts.
The Gascon and the Italian
Named by d'Artagnan as Monsieur du Vallon, formerly called Porthos, another of the three friends to be recruited.
VI: D'Artagnan in His Fortieth Year
Mentioned as having left D'Artagnan to marry an attorney's wife. D'Artagnan recalls a letter from Porthos dated from the Château du Vallon.
The Abbé d’Herblay
Mentioned as having estates and a barony, and as a potential retreat for d'Artagnan.
X: Monsieur Porthos du Vallon de Bracieux de Pierrefonds
Now styled Du Vallon de Bracieux de Pierrefonds; not directly seen but described as prosperous and happy.
XI: How d'Artagnan, in Discovering the Retreat of Porthos, Perceives That Wealth Does Not Necessarily Produce Happiness
Wealthy but unhappy widower living at Bracieux; agrees to join d'Artagnan for the promise of a title.
In Which It Is Shown That if Porthos Was Discontented with His Condition, Mousqueton Was Completely Satisfied with His
Discontented with his condition, desires a barony, and eagerly prepares for a new campaign.
The Castle of Bragelonne
Mentioned by d'Artagnan as having been visited recently at Pierrefonds.
The Timely Arrival of d’Artagnan in Paris
Waiting at the Hôtel de la Chevrette, dressed in a sky-blue waistcoat; agrees to serve Mazarin in hopes of a barony.
An Adventure on the High Road
Accompanies d'Artagnan on the chase, showing endurance and loyalty, though his horse Bayard eventually founders.
XXVI: The Rencontre
Fights alongside D'Artagnan, defeats several opponents, and mourns the division among the friends.
The Four Old Friends Prepare to Meet Again
Dines with d'Artagnan at the Hôtel de la Chevrette; shares in the compensation and prepares for the rendezvous.
XXVIII: The Place Royale
Emotionally reaffirms his loyalty, weeping as he embraces Athos.
A Dinner in the Old Style
Arrives after trying a new horse, unfastens his doublet during dinner, recalls the execution of Milady without remorse.
XLII: Another Queen in Want of Help
Sends a purse and letter to Aramis via Bazin.
Te Deum for the Victory of Lens
Arrives with torn coat after fighting in the crowd, drinks wine, and follows d'Artagnan to visit the cardinal.
The Beggar of St. Eustache
Introduced to the queen as the Chevalier du Vallon, hoping for a barony.
The Riot
Accompanies d'Artagnan; his coat is cut by a halberd.
XLVIII: The Riot Becomes a Revolution
Accompanies d'Artagnan in the closet, listening and ready to act.
The Interview
Shares d'Artagnan's room; dreams of armorial bearings and is promised a barony.
The Flight
Accompanies d'Artagnan in the carriage, feigns injury to deceive Planchet's patrol.
How d’Artagnan and Porthos Earned by Selling Straw, the One Two Hundred and Nineteen, and the Other Two Hundred and Fifteen Louis d’Or
Accompanies d'Artagnan, shares in the straw profits, and is assigned to the English mission.
In Which We Hear Tidings of Aramis
Accompanies D'Artagnan to the camp and to Boulogne; is astonished by D'Artagnan's deception; expresses impatience about supper before departure.
The Avenger
Captures Aramis; supports d'Artagnan's stratagem.
Oliver Cromwell
Mentioned as one of the French prisoners alongside d'Artagnan.
LVIII: Jésus Seigneur
Follows d'Artagnan's orders without question, preparing horses and supporting the escape.
In Which It Is Shown That Under the Most Trying Circumstances Noble Natures Never Lose Their Courage, nor Good Stomachs Their Appetites
Initially hungry and eager for dinner, he supports Athos's plan after d'Artagnan's persuasion, showing his simple loyalty.
LX: Respect to Fallen Majesty
Accompanies the group as a guard over the 'prisoners' and expresses hunger and amazement at d'Artagnan's resourcefulness.
LXI: D’Artagnan Hits on a Plan
Participates in the card game, losing money, but follows D'Artagnan's cues.
London
Worries about defeat but agrees to stay; chooses a wine-colored doublet and sea-green breeches; expresses confusion over languages.
LXIII: The Trial
Counts the reinforcements, admires the king's attire, and delivers the fatal blow to the butcher under d'Artagnan's direction.
LXIV: Whitehall
Guards Aramis during his mission.
LXV: The Workmen
Assists Athos in boring the hole and is part of the escape plan; later changes into his red doublet.
The Man in the Mask
Arrives late after being delayed by dancing crowds; he throttled a man and evaded a patrol.
Cromwell's House
Assists d'Artagnan in cornering Mordaunt, eager for confrontation.
Conversational
Eager to fight, but steps back when d'Artagnan insists on dueling first; later helps plan the escape.
The Skiff Lightning
Boards the Lightning, attempts to find supper but falls asleep from fatigue.
LXXI: Port Wine
Heard snoring through the partition, indicating the masters are asleep and unaware of the danger.
End of the Port Wine Mystery
Forces Mousqueton and Blaisois into the water and supports them during the swim.
LXXIII: Fatality
Initially wants to strangle Mordaunt, later expresses joy at Athos's survival.
How Mousqueton, After Being Very Nearly Roasted, Had a Narrow Escape of Being Eaten
Expresses relief after Mordaunt's death, jokes about Mousqueton's fears, and is initially reluctant to abandon Athos and Aramis.
The Road to Picardy
The subject of the search; his giant strength is inferred from the barricading stone.
LXXX: The Gratitude of Anne of Austria
The other imprisoned friend mentioned by Athos.
Cardinal Mazarin as King
Porthos is mentioned as one of the two intractable musketeers Mazarin has shut up at Rueil.
Precautions
Also imprisoned at Rueil; initially broke doors with his shoulder but has since grown calm and jokes about captivity.
LXXXIII: Strength and Sagacity
Imprisoned with d'Artagnan, he sleeps and eats heartily, frustrated by the repeated mutton meals, but trusts d'Artagnan's plan.
Strength and Sagacity—Continued
Uses his immense strength to bend the window bar and capture the Swiss guards as instructed by d'Artagnan.
LXXXV: The Oubliettes of Cardinal Mazarin
Accompanies d'Artagnan, uses his strength to break open a door, and stands as a formidable presence during the confrontation.
LXXXVI: Conferences
Porthos assists in the escape, lifting Athos over the wall and helping to pass Mazarin to d'Artagnan.
In Which We Begin to Think That Porthos Will Be at Last a Baron, and d’Artagnan a Captain
Hosts the group at his château; comments on the degeneracy of horses; demands his estate be made a barony.
LXXXVIII: Shows How with Threat and Pen More Is Effected Than by the Sword
D'Artagnan convinces him to guard Mazarin firmly, appealing to his desire for a barony and fear of hanging.
In Which It Is Shown That It Is Sometimes More Difficult for Kings to Return to the Capitals of Their Kingdoms, Than to Make an Exit
Guards the cardinal's side of the carriage, reassuring Mazarin with his strength and presence.
Conclusion
Returns to his barony, reveals he killed Bonacieux.