Family: Henry William ( 2nd viscount Melbourne ) Lamb / Caroline Ponsonby

Maternal line Henry William ( 2nd viscount Melbourne ) Lamb
Elizabeth Milbanke 1751 - 1818  (67 years)	_	Peniston Lamb (maid. name 1st Viscount of Melb) 1745 - 1828  (83 years)

Maternal line Caroline Ponsonby
Henrietta Spencer 1761 - 1821  (60 years)	_	Fredrick (3rd Earl Bessbrough) Ponsonby 1758 - 1844  (86 years)
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Margaret Georgiana Poyntz 1737 - 1814  (77 years)	_	Baron Spencer of Althop John (1st Earl Spencer) Spencer 1734 - 1783  (49 years)
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Anna Maria Mordaunt 1712 - 1771  (59 years)	_	Stephen Poyntz 1685 - 1750  (65 years)