Janssen baronets
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The Janssen baronetcy, of Wimbledon in the County of Surrey, was a title in the Baronetage of Great Britain. It was created on 11 March 1715 for the Dutch-born financier Theodore Janssen, who later represented Yarmouth in the House of Commons.[2][3]

The 2nd Baronet sat as Member of Parliament for Dorchester;[4] while the 4th Baronet was Member of Parliament for the City of London and a Lord Mayor of London.[2][5] The title became extinct on the latter's death in 1777.[2]
Janssen baronets, of Wimbledon (1715)
- Sir Theodore Janssen, 1st Baronet (c. 1658–1748)[2][3]
- Sir Abraham Janssen, 2nd Baronet (c.1699–1765)[2][4]
- Sir Henry Janssen, 3rd Baronet (died 1766)[2]
- Sir Stephen Theodore Janssen, 4th Baronet (died 1777)[2][5]
Extended family
The 4th Baronet's only daughter Henrietta Janssen (born 1752,[6] died 29 July 1840 Twickenham, aged 87) married Lorenzo Moore, MP for Dungannon in Ireland.[7]