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

 Emma de Gaunt
Emma was born about 1076 in Folkingham, Lincolnshire, England.  She died in 1135.

 Henry de Percy of Heyshott
Henry de Percy of was born after 1112.

 Geoffrey de Percy
Geoffrey was born after 1112.

 Walter de Rugemond de Percy
Walter de Rugemond was born after 1122.

 Gosfrid de Percy
Gosfrid was born before 1135.

 Richard de Percy
Richard was born before 1135.

 Robert de Percy
Robert was born before 1135.

 Alan le Meschin de Percy
Alan le Meschin was born before 1135.

 William III de Percy
William III was born in Alnwick, Northumberland, England.  He died in 1175 in Topcliffe.  He was buried in 1175 in Fountains Abbey, England.