Lazar Branković (Serbian Cyrillic: Лазар Бранковић; c. 1421 – 20 February 1458) was Despot of Serbia from 1456 to 1458.

[1][2][3] Both Grgur and Stefan, his older brothers, were blinded by orders of Ottoman sultan Murad II in 1441.

His only other decision of consequence was to appoint Mihailo Anđelović, a member of the Angelos family, as his chief official.

Lazar and his relations are named in "Dell'Imperadori Constantinopolitani", a manuscript held in the Vatican Library.

"The Byzantine Lady: Ten Portraits 1250-1500" (1994) by D. M. Nicol questioned his maternity, suggesting Đurađ had a prior marriage to a daughter of John IV of Trebizond.

According to Fine, Grgur was appointed governor of territories of southern Serbia associated to the House of Branković.

[5] According to Miklosich, Grgur and his brothers co-signed a charter by which Đurađ confirmed the privileges of the Republic of Ragusa.

[7] According to Fine, Grgur resurfaced in 1458, claiming the succession of the vacant throne of Serbia for himself or his son.

Then are listed Stefan Branković and "Cantacuzina", a sister with the Latinized version of their mother's last name.