William De+ Leybourne
William De+ was born in 1242 in Leybourne, Kent, England.  He died before March 12th, 1310.

 Julianna De+ Sandwich
Julianna De+ was born before 1256 in Preston, Kent, England.

 Idonea De+ Leybourne
Idonea De+ was born about 1281.

 Henry Leybourne
Henry was born about 1287.