Pain De Tibetot
Pain was born in 1280.  He died at the age of 44 in 1324.

 Agnes De Ros
Agnes was born in 1280.

 Margaret De Tibetot
Margaret was born in 1310.

 John De Tibetot Baron Tibetot
John De Tibetot Baron was born in 1313 in Berwick-upon-Tweed, Northumberland, England.  He died at the age of 54 in 1367.