Dr.[1] Henry Olisleger was Vice Chancellor of the Duchy of Cleves.
He negotiated the marriage of Lady Anne of Cleves, the Duke's sister, to King Henry VIII of England.
[2] Olisleger became the Cleves ambassador to England.
[3] When there were rumours about Catherine Howard committing adultery, Olisleger tried to persuade the King, Thomas Cranmer, to remarry Anne.
He married secondly Gottfrieda von Bemmel, a daughter of Elisabeth of Cleves illegitimate daughter of John III, Duke of Cleves Married thirdly Anna Suderman.Sister of the lawyer Heinrich Sudermann