|Father||Sir William de St. Omer|
Thomas was born in Outwell [Wells], County Norfolk, England. Thomas married Petronella Malemains in County Norfolk, England. Petronella was first married to Ralph, Lord Tony. Thomas was Knight, Lord of Well, County Norfolk, England. He was known as St. Omer sometimes referred to as Stoner. He was contemporary of Edward I [1272-1307]. He was sheriff of Wiltshire 1291-1295. Thomas's wife, Petronella, died, leaving him a widower. Thomas married 2nd Beatrix (?) in County Norfolk, England. Thomas departed this life in Outwell [Wells], County Norfolk, England.
- [S106] Howland Delano Perrine, The Wright Family of Oysterbay, L.I. with the ancestry of and descent from Peter Wright and Nicholas Wright, 1423-1923.
- [S330] Clarenceux Cooke, John Raven William Hervey, The Visitations of Norfolk, Anno 1563, Anno 1613, page 33.
- [S381] Dutchess of Cleveland, The Battle Abbey Roll With Some Account of the Norman Lineages, Volume III: page 98 -.