William (2nd Earl of Howth) St. Lawrence
1752 - 1822 (69 years)(
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- 1 William (2nd Earl of Howth) St. Lawrence [1] b. 4 Oct 1752 d. 4 Apr 1822
- Margaret Burke
- 2 Lady Catherine St. Lawrence [1.1] c. Abt 1795 d. 4 Apr 1879
- Charles (Viscount Dungarvan) Boyle b. 6 Dec 1800 d. 25 Aug 1834
- 3 Richard Edmund (9th Earl of Cork and Orrery) Boyle, KP, PC [1.1.1] b. 19 Apr 1829 d. 22 Jun 1904
- Emily Charlotte De Burgh b. 19 Oct 1828 d. 10 Oct 1912
- 4 Charles Spencer Canning (10th Earl of Cork & Orrery) Boyle [1.1.1.1] b. 24 Nov 1861 d. Yes, date unknown
- 4 Robert (11th Earl of Cork & Orrery) Boyle [1.1.1.2]
- 4 5 Further Children Boyle [1.1.1.3]
- 4 Charles Spencer Canning (10th Earl of Cork & Orrery) Boyle [1.1.1.1]
- 3 Richard Edmund (9th Earl of Cork and Orrery) Boyle, KP, PC [1.1.1]
- 2 Thomas (3rd Earl of Howth) St Lawrence [1.2] b. 16 Aug 1803 d. 4 Feb 1874
- + Emily De Burgh d. 5 Dec 1842
- + Emily De Burgh d. 5 Dec 1842
- 2 Lady Catherine St. Lawrence [1.1]