til 12. kynslóðar
0━┳ ------ Sibthorpe † & Nancy May ------ ca 1914-1950 ┣━1┈┈ ------ Sibthorpe † ┗━2── Laura May Sibthorpe &1948 Patrick Allan Joyce
Alls: 2 afkomendur (5 einstaklingar með [spouses])