Louis Brienne
Louis was born in 1217 in Acre, Jerusalem.  He died at the age of 80 on September 1st, 1297.

 Agnes Beaumont
Agnes was born in 1217 in Beaumont, Maine, France.  She died at the age of 84 on May 9th, 1301.

 UNKNOWN Beaumont
UNKNOWN was born in 1263.

 Henry Beaumont
Henry was born in 1280.