Rootes was the first son of William Edward Rootes and Nora Press and was educated at Port Regis, Harrow and Oxford.[1]
He married his wife, Marian, on 15 August 1946. Their children were Sally Hayter Rootes and Nicholas Geoffrey Rootes, the 3rd Baron Rootes.
Coat of arms of William Geoffrey Rootes
Crest
On a wreath Argent and Vert a cubit arm bendwise in armour Or the hand Proper grasping a spear in bend also Proper flying therefrom a forked pennon barry Argent and Azure semée of plates and bezants.
Escutcheon
Ermine within an orle Azure a bugle horn sable garnished Or stringed Gules.
Supporters
On either side a horse argent gorged with a chain pendant therefrom a wheel Or.