From Until Name Lifespan
1. 19 April 1746 14 December 1750 The Most Hon. Thomas Watson-Wentworth, 1st Marquess of Rockingham, K.B., P.C. 1693-1750
2. 14 December 1750 1 July 1782 The Most Hon. Charles Watson-Wentworth, 2nd Marquess of Rockingham, K.G., P.C. 1730-1782

Other TitlesEdit

Peerage of EnglandEdit

Peerage of Great BritainEdit

Peerage of IrelandEdit

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