Yaroslav the Wise

The early years of Yaroslav's life are mostly unknown. He was one of the numerous sons of Vladimir the Great, presumably his second by Rogneda of Polotsk, although his actual age (as stated in the Primary Chronicle and corroborated by the examination of his skeleton in the 1930s) would place him among the youngest children of Vladimir.
It has been suggested that he was a child begotten out of wedlock after Vladimir's divorce from Rogneda and marriage to Anna Porphyrogenita, or even that he was a child of Anna Porphyrogenita herself. French historian Jean-Pierre Arrignon argues that he was indeed Anna's son, as this would explain his interference in Byzantine affairs in 1043.
Furthermore, Yaroslav's maternity by Rogneda of Polotsk has been questioned since Mykola Kostomarov in the 19th century. Yaroslav figures prominently in the Norse sagas under the name Jarisleif the Lame; his legendar…