 He was raised in Belgium, where his father, Prince Franz Xaver of Hohenzollern-Hechingen (1719–1765), was an imperial officer.From his mother, Princess Anna Maria of Hoensbroech-Geulle ( 8 May 1729 – 26 September 1798), Prince Hermann inherited his Dutch holdings.His first spouse, Countess Louise of Merode-Westerloo, died after only one year of marriage.