Marmaduke De+ Thweng
Marmaduke De+ was born in 1274 in Kilton Castle, England.  He died at the age of 49 on April 23rd, 1323.

 Isabel De+ Ros
Isabel De+ was born in 1274.

 Alice De+ Thweng
Alice De+ was born after 1287.

 Lucia De+ Thweng
Lucia De+ was born about 1294 in Kilton Castle, Yorkshire, England.

 Catherine De+ Thweng
Catherine De+ was born about 1302 in Kilton, Yorkshire, England.