Yaroslav Konstantinovich was born 1285 to Konstantin Romanovich of Ryazan (c1260-1306) and died 1308 of unspecified causes. Notable ancestors include Charlemagne (747-814), Alfred the Great (849-899). Ancestors are from Russia, Ukraine, Sweden, France, the United Kingdom, Germany, Belgium, the Byzantine Empire, Belarus.
|Offspring of Konstantin Romanovich of Ryazan and unknown parent|
|Vasili Konstantinovich of Ryazan (c1282-1308)||1282||1308|| |
|Yaroslav Konstantinovich of Ryazan (c1285-c1308)||1285||1308|