Marmaduke Thweng
Marmaduke was born about 1232 in <Of Flamborough, Yorkshire, England>.

 Lucy Bruce
Lucy was born about 1233 in Of Flamborough, Yorkshire, England.

 Cecilia Thweng
Cecilia was born about 1215 in Of Flamborough, Yorkshire, England and her baptism took place in Of Kilton, Yorkshire, England.  She died about 1265.

 Sir Marmaduke Thweng Baron
Marmaduke was born in 1256 in Of, , Somersetshire, England.  He died at the age of 67 on April 23rd, 1323.

 Alice De Thweng
Alice De was born about 1277 in <Of Sefton, Lardbrook, Lancashire, England>.