See also

Family of William I * +of ROS and Lucia * FITZPIERS

Husband: William I * +of ROS (1192-1264)
Wife: Lucia * FITZPIERS (1205-1266)
Children: Robert III * of ROS (1213-1285)
Lucy of ROS (1230- )
Alexander ROS (1231- )

Husband: William I * +of ROS

Name: William I * +of ROS
Sex: Male
Father: Robert II * + of ROS (1177-1226)
Mother: Isabel * + of SCOTLAND (1150-1226)
Birth 1192 Helmsley, North Riding, Yorkshire, England
Death 1264 (age 71-72) Poitou, Charentes, France

Wife: Lucia * FITZPIERS

Name: Lucia * FITZPIERS
Sex: Female
Father: Piers * + FITZHERBERT (1166-1235)
Mother: Alice * FITZROBERT (1185-1225)
Birth 1205 Brecknock, Breconshire, Wales
Death 29 Sep 1266 (age 60-61) Yorkshire, England

Child 1: Robert III * of ROS

Name: Robert III * of ROS1,2,3,4,5,6,7,8
Sex: Male
Spouse: Isabel * of AUBIGNY (1233-1301)
Birth 1213 Helmsley, North Riding, Yorkshire, England
Occupation Baron of Ros
Title Baron de Ros
Death 17 Mar 1285 (age 71-72) Kirkham, East Riding, Yorkshire, England
Burial Kirkham Priory

Child 2: Lucy of ROS

Name: Lucy of ROS
Sex: Female
Birth 1230

Child 3: Alexander ROS

Name: Alexander ROS
Sex: Male
Birth 1231

Sources

1"The Magna Charta Sureties, 1215" (Genealogical Publishing Company, 1999).
2Frederick Lewis Weis, "Ancestral Roots of Certain American Colonists" (Baltimore, Genealogical Publishing Co).
3G.E. Cokayne, "The Complete Peerage of England, Scotland, Ireland, Great Brittain and the United States, Extant, Extinct, or Domant" (Alan Sutton Publishing, 2000).
4I. J. Sanders, "English Baronies, A study of their Origin and Descent 1086-1132" (Oxford University Press, 1960).
5"Plantagenet Ancestry: A Study in Colonial and Medieval Families".
6Charles Moor, "Knights of Edward I" (Harleain Society Publications, 1929).
7John Burke, "A General and Heraldic Dictionary o fthe Peerages of England, Ireland, and Scotland" (Henry Colburn and Richard Bently, 1831).
8"http://www.thepeerage.com/p15169.htm#i151689".