up to the 12th generation
0━┳
Stephen Isaac Lock † & ------ ------ †
┗━1─┬
Frances Mary Lock 1857-ca 1944 &1886 Charles Whittock Skutt 1857-ca 1892
├─1─┬
Lucretia Frances Eliza Skutt ca 1887-ca 1968 &ca 1919 Archie Thomas Collier 1890-ca 1974
│ ├─1━━
Archie Collier ca 1921-ca 1921
│ └─2──
Eileen I. Collier ca 1922 &ca 1942 Alan L. Watt
└─2━┳
Lionel Nathaniel Charles Skutt ca 1889-ca 1967 &ca 1921 Eleanor May Worrall 1890-ca 1973
┗━1━━
Bertram Charles Skutt 1925-ca 1978 &ca 1953 Kathleen May Burton 1921-1985
Total: 6 descendants (13 individuals with spouses)