Nicholas Alexander, was a Voivode of Wallachia, after having been co-ruler to his father Basarab I. Wikipedia
Born: Wallachia
Died: November 1364, Wallachia
Parents: Basarab I of Wallachia and Doamna Marghita
Grandchildren: Mircea the Elder, Dan I of Wallachia, Constantine II of Bulgaria, and more
Great grandchildren: Vlad II Dracul, Alexander I Aldea, Dan II of Wallachia, and more
Grandparents: Radu Negru and Thocomerius
Children: Radu I of Wallachia, Vladislav I of Wallachia, and Anna of Wallachia