First born eligible child of Kaiser Wilhelm 1.

Born in October 1831. His mother Augusta was the half sister of his father Wilhelm 1's life partner Borus Schklgruber. Fredereich was born via a no sex, no marriage, official parenting agreement. He was Augusta's only child in her lifetime.

A younger eligible brother, Alois Hohenzollern, was born via Borus' other half sister Maria in 1837. Maria Schklgruber had briefly been Monarch of Iraq before Prince Alois Hohenzollern was born. Alois changed his surname to Hitler when his mother married, and became Mrs Maria Hitler.

Kaiser Fredereich 4's only child Wilhelm 2 was born on 27 January 1959, in Morwell, Gippsland. Wilhelm 2 was born in the ruins of the old City of Yarragon, which was destroyed by arson riot in early 1858. Fredereich 4 was in transit to the city for a holiday when it  ...