Matthew de Holand
Matthew de was born about 1167 in Upholland, Lancashire, England.  Matthew de is no longer alive.

 Margaret de Harcourt
Margaret de was born about 1165 in Newton Harcourt, Leicestershire, England.  Margaret de is no longer alive.

 Robert I de Holand
Robert I de was born about 1197 in Upholland, Lancashire, England.