Do you mean Henry Benedict Stuart, a grandson of James II, and brother of Charles Edward Stuart (Bonnie Prince Charlie), who became a Roman Catholic Cardinal?
If so, "Henry IX" as he might well have become if James II had stayed insitu on the throne; was born on 11 March 1725 and died on 13 July 1807.
Henry IX the Older died in 1467.
Henry IX of Lubin died in 1419.
Henry IX of Lubin was born in 1369.
Ramesses IX died in -1111.
David IX of Georgia died in 1360.
Adolf IX of Berg died in 1348.
Pope John IX died in 900.
George IX of Kartli died in 1539.
Ptolemy IX Lathyros died in -81.
Mar Thoma IX died in 1817.
Hugh IX of Lusignan died in 1219.
Shimun IX Dinkha died in 1600.