| Father: | Prince Karl of Leiningen |
| Mother: | Princess Marie Louise of Bulgaria |
| Hermann Leiningen | |
| Birth Name: | Hermann Friedrich Fernando Roland Prinz zu Leiningen |
| Birth Date: | 16 April 1963 |
| Birth Place: | Toronto, Ontario, Canada |
Prince Hermann Friedrich Fernando Roland of Leiningen (; born April 16, 1963)[1] is a Canadian banker and the younger son of Prince Karl of Leiningen and Princess Marie Louise of Bulgaria. He is 173rd in line to the British throne as of 2011.[2]
Leiningen was born in Toronto, Ontario. Through his mother, Leiningen is a grandson of King Boris III of Bulgaria, a great-grandson of King Victor Emmanuel III of Italy and great-great-grandson of King Nicholas of Montenegro. Through his father, he is a great-great-great grandson of both Queen Victoria and Alexander II of Russia.[3]
As a member of a princely family, Leiningen is styled by courtesy (but not officially) His Serene Highness (. Leiningen is a financial analyst and banker, addressed as Mr. Hermann Leiningen professionally., Leiningen worked for a division of Royal Bank of Canada.
On 16 May 1987, Leiningen married Deborah Cully (born December 2, 1961).[4] [5] They have three daughters.[6]
He actively participates in a number of Bulgarian initiatives, in events dedicated to the role of King Boris and the Bulgarian people in saving the Bulgarian Jews. Prince Herman is an honorary member of the Board of Trustees of the H.C.V. Princess Marie Louise.