See also
1. Robert de MONTGOMERY, son of Arnulf 'Cimbricde de MONTGOMERY (1090-1160) and Lafrocath O'BRIEN ( - ), had the title '1st of Eaglesham'. He married Marjory FITZALAN.
Marjory FITZALAN and Robert de MONTGOMERY had the following children:
| +2 |
2. Sir Alan de MONTGOMERY, son of Robert de MONTGOMERY and Marjory FITZALAN, had the title '2nd of Eaglesham'. He died in 1190.
Alan de MONTGOMERY had the following children:
| +3 |
3. Sir John de MONTGOMERY, son of Sir Alan de MONTGOMERY, had the title '4th of Eaglesham'. He died in 1214.
John de MONTGOMERY had the following children:
| 4 | Alan de MONTGOMERY ( -1237). Alan died in 1237. |