Trefusis succeeded to the barony in 1791 on the death of his third cousin George Walpole, 3rd Earl of Orford.
[3] He is described as "notaire juré,[4] conseiller, secrétaire baillival, banneret de la Cité".
Her eldest brother was Abram Frederic Louis Juste Gaulis, a member of the Grand Council of Vaud and the heir and custodian of the Château de Colombier-sur-Morges, near Lausanne.
[8] Another brother was Charles Gaulis (died in Germany 23 August 1796), who fathered a child by Mary Jane de Vial (later Clairmont).
[9] Charles Gaulis Clairmont[10], who grew up as stepbrother to Mary Shelley, ended up as Chair of English literature at Vienna University[11] Among the children of Albertina and Robert Trefusis were: