- Birth: 1163 London, England
- Death: 1239 London, England
Father: Jordon Bourne (1142-1219)
Mother: Julianna Bigod (1142-1198)
Spouse: Lady Johanna de Percy (1169-1245)
- Sex: M
When William Bourne was born in 1163, in London, Middlesex, England, his father, Jordan de Bourne de Locke, was 21 and his mother, Julianna Percy, was 21. He married Johanna de Percy in 1189, in London, Middlesex, England. They were the parents of at least 2 sons, one was Thomas. He died in 1239, in his hometown, at the age of 76.