Gen 24 - 25 de Ros (ext links)

Sir William III de Ros (b. abt 1255 Helmsley Castle, Yorkshire North Riding, England - d. between May 12-August 16, 1316 Wark Castle, Wark-on-Tweed, Northumberland, England) Baron of Helmsley

Maud de Vaux (b. abt 1261 East Walton, Freebridge Lynn, Norfolk, England - d. bef 1316 Helmsley Castle, Yorkshire North Riding, England)

children: William IV, John, Agnes, Margaret

Sir William IV de Ros (b. bef 1295 - d. February 3, 1342/3 Helmsley Castle, Yorkshire North Riding, England) Baron of Helmsley, Sheriff of Yorkshrie
Margery de Badlesmere (b. 1306 Castle Badlesmere, Kent, England - d. October 18, 1363 Helmsley Castle, Yorkshire North Riding, England) (parents)
children: Alice, Elizabeth, William V, Maud, Thomas

• Sir Thomas de Arundel (b. abt 1306 England - d. abt 1352 Cockfield, Suffolk, England)