Boris I, venerated as Saint Boris I the Baptizer, was the ruler of the First Bulgarian Empire in 852–889. The historian Steven Runciman called him one of the greatest persons in history. Wikipedia
Born: 828 AD
Died: May 2, 907 AD (age 79 years), Veliki Preslav, Bulgaria
Children: Simeon I of Bulgaria, Vladimir of Bulgaria, and Anna
Full name: Boris I
Great grandchildren: Boris II of Bulgaria, Roman of Bulgaria, and Plenimir
Grandparent: Zvinitsa
Grandchildren: Peter I of Bulgaria, Mihail of Bulgaria, Benjamin of Bulgaria, and more