Costello family genealogy
Arms: Or, three lozenges gu. Crest: A falcon ppr. belled or. Motto: Ne te quaesiveris extra.
Costelo, the second son of Gilbert de Angulo, who was the ancestor of “Nangle,” was the ancestor of Costello.
1. Costelo: son of Gilbert De Angulo.
2. Costelo Oge: his son; had a brother named Meyler, who was the ancestor of a MacJordan family.
3. Philip: son of Costelo Oge.
4. Gilbert: his son.
5. Jordan: his son.
6. Philip (2): his son.