Love and Duty

Esmond's lifelong devotion to Lady Castlewood and her family is marked by a conflict between personal love and a sense of duty, culminating in his self-sacrifice and renunciation of his own claims for the sake of those he loves.

Isabel's marriage to Thomas is driven by duty and the desire for an heir rather than love, while Frank Esmond's rejection of Isabel for a more suitable match reflects the tension between personal inclination and social obligation.

Lady Castlewood's devotion to her husband borders on worship, yet her jealousy and his growing indifference reveal the tension between love and marital duty.

Henry Esmond's devotion to Lady Castlewood is tested by her illness and his guilt over causing it, while she worries about her husband's love.

Lady Castlewood's dutiful yet strained welcome of Esmond, and her silent suffering over her husband's infidelity and choices, illustrate the conflict between love and marital duty.