Geoffrey de Lucy
Geoffrey was born about 1324 in Cublington, Buckinghamshire, England.

 Margery
Margery was born about 1315.  Margery is no longer alive.

 Reginald de Lucy
Reginald was born in 1359 in Cublington, Buckinghamshire, England.  He died at the age of 78 on November 9th, 1437.