Sheriff Peter de Mauley II of Northamptonshire
Peter was born about 1226 in Mulgrave Castle, Doncaster, England.  He died on July 25th, 1279 in Nether Hallam Manor, West Ride Yorkshire, England.

 Joan de Brus
Joan was born in Skelton, Yorkshire, England.

 Lord Piers de Mauley III
Piers was born on July 22nd, 1249 in Mulgrave Castle,Sandsend/Whitby,Yorkshire,England.  He died at the age of 59 on September 8th, 1308 in Mulgrave Castle,Sandsend.