William de Percy
William was born in Perci/Percy-en-Auge, near Villedieu, Normandy, France.  He died in 1096 in Mt. Joy near Jerusalem.  He was buried in 1096 in Chapter House at WhitbyAbbey near Skinshale, England.

 Emma de Port
Emma was born in 1030 in St. John, Hampshire, England.  She died at the age of 66 in 1096.

 Walter de Percy
Walter was born after 1069.

 Richard de Percy
Richard was born before 1080.

 William II de Percy
William II was born before 1080.  He died in 1133.

 Alan (Algernon) de Percy
Alan (Algernon) was born in Alnwick, Northumberland, England.  He died in December 1135 in Topcliffe.