Calvert was born Benedict Swingate in England in around 1730-32, the illegitimate son of Charles Calvert, 5th Baron Baltimore, proprietary governor of the Province of Maryland. His mother's identity is not clear but H. S. Lee Washington, writing in the New England Historic Genealogical Society Register in July 1950, suggests that she was Melusina von der Schulenburg, Countess of Walsingham.
Melusina was the daughter of George I of England and his mistress, Melusine von der Schulenburg, Duchess of Kendal.
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Petronille Melusine von der is 15 degrees from Elinor Glyn, 18 degrees from Frances Weidman and 5 degrees from Victoria of the United Kingdom of Great Britain and Ireland on our single family tree. Login to find your connection.