Emich, 5th Prince of Leiningen was the son of Ernst Leopold, 4th Prince of Leiningen. He was 5th Prince of Leiningen from 1904 to 1918, and afterwards titular Prince of Leiningen from 1918 until his death.
Emich was born at Osborne House, Isle of Wight, United Kingdom, the second child and only son of Ernst Leopold, 4th Prince of Leiningen , and his wife, Princess Marie Amelie of Baden , . Through his mother he was descendant of Swedish monarchs, such as Gustav IV Adolf and Gustav III. His paternal grandfather, Carl, 3rd Prince of Leiningen, was the halfbrother of Queen Victoria.
Source: Wikipedia