Johann von Heilendorf
From NSWiki
Count Johann von Heilendorf (1873-1957) was the son of Count Friedrich von Heilendorf.
In 1908 he married Princess Johanna von Hohenburg. They had seven children: Eusebius (born 1909), Elisabeth Charlotte (born 1911), Moritz (born 1913), Kirill (born 1916), Antonia (born 1917), Franz Xaver (born 1920; unmarried) and Albert (born 1923).
He died in 1957.