On 14 September 1897, Opel married Charlotte Luisa Lina Bade, a daughter of Hermann Bade and Minna Bade (
née König), of
Hildesheim,
Lower Saxony. They had three children; • Friedrich Adam Opel, colloquially
Fritz von Opel (1899–1971), married firstly to Margot Löwenstein (1902–1993), married secondly to Emma Herrán Olozaga (1913–1967), two children including
Rikky von Opel (born 1947) and
Marie Christine von Opel (1951–2006) • Martha Wilhelma Opel (1904–1907), died in childbed • Elinor Sigrid Else Opel, colloquially Eleonore von Opel (1908–2001), married
Wilhelm "Willy" Josef Sachs (1896–1958), married secondly to Carlo Kirchner. She had two sons, including
Gunter Sachs (1932–2011). In 1917, Wilhelm and his brother
Heinrich were ennobled in the
Grand Duchy of Hesse. Their brother Carl was raised to the same rank the following year. Since then those lines carry the prefix
von to their original family name. In 1933, Opel joined the
Nazi Party and soon became an active supporter of it, making financial contributions to the
SS and being awarded the title of Patron. In January 1947, he was found guilty by a denazification court and had to pay a large fine. He died the following year. ==References==