William De ROS, b: 1244 - Ingmanthorpe, England

^{Robert De ROSS}^{b.1170 , England
d.1227}

^{Isabel, Princess Of SCOTLAND}^{b.1150, Scotland
d.}

^{William De ROSS}^{b.1196 , England
d.1246}

^{Lucia FITZPIERS}^{b.1250 Forest Dean, England
d.}

^{William De ROS}^{b.1244 Ingmanthorpe, England
d.1310}

^{Eustace FITZHUGH}^{b.1268 Ingmanthorpe, England
d.}

^{Ivetta De ROS}^{b.1290 Igmanthorp, England
d.1331}