births
Sophie von Dönhoff, morganatic spouse by bigamy to King Frederick William II of Prussia (died 1838)

Related Wikipedia articles
Sophie von Dönhoff
German lady-in-waiting
Countess Sophie Friederike Juliane von Dönhoff was a German lady-in-waiting and a morganatic spouse by bigamy to King Frederick William II of Prussia.Source: Wikipedia (CC BY-SA)
Morganatic marriage
Type of marriage between people of unequal social rank
Morganatic marriage, sometimes called a left-handed marriage, is a marriage between people of unequal social rank, which in the context of royalty or other inherited title prevents the principal's position or privileges being passed to the spouse, or any children born of the…Source: Wikipedia (CC BY-SA)