# Sir William Ponson — The Ponson Case character guide > Sir William Ponson in The Ponson Case by Freeman Wills Crofts. **Role:** major **Also known as:** Sir William, William, William Ponson, the late Sir William Ponson **First appearance:** 0000-i-mystery-at-luce-manor ## Snapshot The imperious master of Luce Manor whose ambitions for his son and hidden past converge in the boathouse where his life ends. ## Who they are Sir William wanted Austin at the bar and in Parliament, a plan that drove his son to set up a separate household in Halford, though the two never openly quarreled. His move to Luce Manor at Austin's suggestion kept them near, and his letter summoning Austin on private business set the tragedy in motion. The heat and dust of London only sharpen Tanner's memory of the green lawns and shady trees that now conceal a murder scene. ## Relationships ### [Inspector Tanner](https://www.betterreads.dev/discover/the_ponson_case_se/characters/inspector_tanner) _professional_ Tanner investigates Sir William as the patriarch of the family, often seeking his cooperation or questioning his motives. ### [Austin Ponson](https://www.betterreads.dev/discover/the_ponson_case_se/characters/austin_ponson) _family_ Austin is Sir William's son, and their interactions reflect a strained or complex father-son dynamic. ### [Sergeant Longwell](https://www.betterreads.dev/discover/the_ponson_case_se/characters/sergeant_longwell) _professional_ Sergeant Longwell assists Tanner and interacts with Sir William as part of police procedure. ### [Parkes](https://www.betterreads.dev/discover/the_ponson_case_se/characters/parkes) _professional_ Parkes is likely a servant or employee of Sir William, with interactions based on duty and service. ### [Innes](https://www.betterreads.dev/discover/the_ponson_case_se/characters/innes) _professional_ Innes is likely a servant or employee of Sir William, with interactions based on household duties. ### [Tom Dale](https://www.betterreads.dev/discover/the_ponson_case_se/characters/tom_dale) _professional_ Sir William and Tom Dale interact in a professional capacity, possibly as employer and employee or through the investigation. ### [Cosgrove Ponson](https://www.betterreads.dev/discover/the_ponson_case_se/characters/cosgrove_ponson) _family_ Cosgrove is Sir William's son, and their relationship is likely strained due to the investigation and family secrets. ### [Inspector Tanner](https://www.betterreads.dev/discover/the_ponson_case_se/characters/inspector_tanner) _professional_ Tanner investigates Sir William as the patriarch of the family, often seeking his cooperation or questioning his motives. ### [Sergeant Longwell](https://www.betterreads.dev/discover/the_ponson_case_se/characters/sergeant_longwell) _professional_ Sergeant Longwell assists Tanner and interacts with Sir William as part of police procedure. ### [Austin Ponson](https://www.betterreads.dev/discover/the_ponson_case_se/characters/austin_ponson) _family_ Austin is Sir William's son, and their interactions reflect a strained or complex father-son dynamic. ### [Parkes](https://www.betterreads.dev/discover/the_ponson_case_se/characters/parkes) _professional_ Parkes is likely a servant or employee of Sir William, with interactions based on duty and service. ### [Inspector Tanner](https://www.betterreads.dev/discover/the_ponson_case_se/characters/inspector_tanner) _professional_ Tanner investigates Sir William as the patriarch of the family, often seeking his cooperation or questioning his motives. ## In the story ### [Mystery at Luce Manor](https://www.betterreads.dev/discover/the_ponson_case_se/chapters/i-mystery-at-luce-manor) Master of Luce Manor, dines alone and later vanishes; his hat and cape are missing, and a boat is discovered gone. ### [A Sinister Suggestion](https://www.betterreads.dev/discover/the_ponson_case_se/chapters/ii-a-sinister-suggestion) Found dead in the river; later determined to have been murdered. ### [IV: Inspector Tanner Grows Suspicious](https://www.betterreads.dev/discover/the_ponson_case_se/chapters/iv-inspector-tanner-grows-suspicious) The deceased; wrote mysterious 'X' cheques, became depressed after a letter, and opposed Austin's engagement. ### [Inspector Tanner Becomes Convinced](https://www.betterreads.dev/discover/the_ponson_case_se/chapters/v-inspector-tanner-becomes-convinced) Murder victim; his strained relationship with Austin and will are key to the motive. ### [VII: Cosgrove's Trip North](https://www.betterreads.dev/discover/the_ponson_case_se/chapters/vii-cosgrove-s-trip-north) The murder victim; his death is the central event under investigation. ### [Tanner Finds Himself Duped](https://www.betterreads.dev/discover/the_ponson_case_se/chapters/viii-tanner-finds-himself-duped) The deceased; his mysterious London visits and the letter he received before his death are central to Tanner's investigation. ### [A Fresh Start](https://www.betterreads.dev/discover/the_ponson_case_se/chapters/xi-a-fresh-start) The deceased; Tanner investigates his secret trips to London and the private meeting at the Étoile restaurant. ### [XIII: Blackmail?](https://www.betterreads.dev/discover/the_ponson_case_se/chapters/xiii-blackmail) Mentioned as having lunched with Austin and Cosgrove, visited Douglas, and possibly involved in a blackmail scheme. ### [A Dramatic Discovery](https://www.betterreads.dev/discover/the_ponson_case_se/chapters/xiv-a-dramatic-discovery) His marriage to Ethel is revealed to be bigamous, making his children illegitimate; his past love for Ethel is detailed. ### [In the Luce Manor Boathouse](https://www.betterreads.dev/discover/the_ponson_case_se/chapters/xv-in-the-luce-manor-boathouse) Revealed as the orchestrator of the plan to confront Dale at the boathouse. ## Links - HTML: https://www.betterreads.dev/discover/the_ponson_case_se/characters/sir_william_ponson - Book: https://www.betterreads.dev/discover/the_ponson_case_se - All characters: https://www.betterreads.dev/discover/the_ponson_case_se/characters