/-Steven PERROT
/-Andrew(Sir) PERROT
| \-Elen Verch MEIRCHION
William PERROT
| /-Roger DEMORTIMER
| /-Ralph, Lord of Wigmore DE MORTIMER
| | \-Hawise Alix DEVEXIN DEVALOIS
| /-Hugh Wigmore DE MORTIMER
| | | /-Walchelin Walkelin DE FERRERS
| | | /-Henry Henri DE FERRERS
| | | | \-Mahaut DE DURBURY
| | \-Milicent MILLICENT / MELISANDE /DE FERRERS
| | | /-Engenulph Seigneur del AIGLE
| | \-Berthe Roberts DE L' AIGLE
| | \-Richeride RICHVARIDE
| /-Hugh 'Baron' DEMORTIMER
| | \-Maud LONGESPIC
| /-Roger II Sir "Lord of Wigmore" DE MORTIMER
| | | /-Ancitel DEBAYEUX
| | | /-RANULPH MESCHINES
| | | | \-Poppa DE SELIS
| | | /-Ranulf DEMESCHINES
| | | | | /-Richard III th Normand DENORMANDIE
| | | | \-Alix De NORMANDY
| | | /-Ranulph LEMESCHIN
| | | | | /-Richard D AVRANCHES
| | | | \-Maud D AVRANCHES
| | | | | /-Harlevin CONTEVILLE
| | | | \-Emma CONTEVILLE
| | | | \-Harlette FALAISE
| | | /-William DEMESCHINES
| | | | \-Lucy CHESTER
| | \-Maud DEMESCHINES
| | \-Cecily DERUMILLY
\-Sined MORTIMER
| /-William de FERRERS
| /-Walcheline DEFERRERS
| | | /-William PEVERELL
| | \-Margaret PEVERELL
| | \-Avice DELANCASTER
\-Isabel DEFERRIERES
| /-Ralph TOENI
| /-Roger DETOENI
| | \-Alice HUNTINGDON
\-Goda DETOENI
| /-Baldwin III of HAINAUT
\-Ida Gertrude DEHAINAULT
\-Yolande VONWASSENBERG