John de Grey , of Chillingham, Sir
John de was born in 1225 in Chillingham, Glendale, Northumberland, England.  He died after 1267 in Scotland.

 Lucy
Lucy was born about 1230 in England.  Lucy is no longer alive.

 Andrew Gray , Lord of Broxmouth, Sir Knight
Andrew was born about 1253 in Chillingham, Glendale, Northumberland, England.  He died about 1300 in Broxmouth, Roxburghshire, Scotland.

 Thomas I Grey , of Heton, Sir
Thomas I was born about 1266 in Heaton, Newcastle, Northumberland, England.  He died in 1310 in Forfarshire, Scotland.