Richard De Yerburgh
- Yes, date unknown
Generation: 1
Generation: 3
Generation: 4
1. Richard De Yerburgh (son of Osbert); and died.
2. Osbert (son of (of Gainthrope) Ketel Croc); and died. Children:
- Hamelin Croc De Yerburgh and died.
- Hamelin De Yerburgh died before 15 Oct 1193.
- 1. Richard De Yerburgh and died.
Generation: 3
4. (of Gainthrope) Ketel Croc (son of (of Gainthrope) Alveric Fitz Germund); and died. Children:
- 2. Osbert and died.
Generation: 4
8. (of Gainthrope) Alveric Fitz Germund (son of (of Gainthrope) Germund); and died. Children:
- 4. (of Gainthrope) Ketel Croc and died.