Margaret Dundas (1772-1852) (1772–1852) Parents Thomas Dundas, 1st Baron Dundas Charlotte FitzWilliam Children Alexander Speirs Frances Laura Spiers Margaret Bruce Spiers Siblings Mary Dundas Charles Dundas Lawrence Dundas, 1st Earl of Zetland George Dundas William Lawrence Dundas Charlotte Dundas Anne Dundas Isabella Dundas Dorothy Dundas Thomas Lawrence Dundas Frances Laura Dundas Thomas Lawrence Dundas Robert Lawrence Dundas Partners Archibald Speirs