Robert Constable , of Flamborough, Sir
Robert was born about 1250 in Flamborough, Bridlington, East Ride Yorkshire, England.

 Katherine Mauley
Katherine was born about 1255 in Mulgrave Castle, Sandsend/Whitby, Yorkshire, England.

 Marmaduke Constable , of Flamborough, Sir
Marmaduke was born about 1280 in Flamborough, Bridlington, East Ride Yorkshire, England.  He died before June 27th, 1378.

 Isabel Constable
Isabel was born about 1281 in Flamborough, Bridlington, East Ride Yorkshire, England.  She died in 1346 in Cornborough, Malton, North Ride Yorkshire, England.