Marcus Oswald Hornby Lecky Birley
1930 - 2007 (77 años)(
= Gráfico descendencia hasta este punto, 
= Expandir, 
= Contraer)
- 1 Marcus Oswald Hornby Lecky Birley [1] n. 29 May 1930 f. 24 Ago 2007
- Annabel Vane-Tempest-Stewart n. 11 Jun 1934 f. 18 Oct 2025
- 2 Rupert Birley [1.1] n. 20 Ago 1955 f. 11 Jun 1986
- 2 Robin Marcus Birley [1.2]
- + Lucy Margaret Mary Helmore n. 18 Sep 1959 f. 23 Jul 2018
- + Lucy Margaret Mary Helmore n. 18 Sep 1959 f. 23 Jul 2018
- 2 India Jane Birley [1.3]
- + Jonty Colchester
- + Francis Pike
- Robert Macdonald
- 3 Eben Macdonald [1.3.1]
- 3 Eben Macdonald [1.3.1]
- + Sebastian Whitestone
- + Jonty Colchester
- 2 Rupert Birley [1.1]