He ascended the Ryazan throne after the death of his father in 1270. During his reign, there were two Tartar raids (1278, 1288).
- Father: Roman Olgovich of Ryazan (1237-1270) - Grand Prince of Ryazan (1258-1270), an Orthodox saint.
- Mother : Anastasya - came from the family of the Grand Prince of Kiev and was distinguished by sincere faith and charity.
- Yaroslav (c1260-1308), Prince of Pronsk (1270-1294), Grand Prince of Ryazan (1294-1299)
- Konstantin (c1260-1306), Prince of Pronsk (1294-1299), Grand Prince of Ryazan (1299-1301), killed in Moscow in captivity.
Fyodor Romanovich of RyazanBorn: c1255 Died: 1294
| Grand Prince of Ryazan