Analysis of information sources in references of the Wikipedia article "Ізяслав" in Ukrainian language version.
За однією з них, І. був заснований 987 за князювання вел. кн. київ. Володимира Святославича.
At the age of 13, he married Sashia, daughter of Rabbi Ephraim, and moved to his father-in-law's home in Ossatin (Staraya Osota today). Nachman and his wife Sashia had six daughters and two sons. Two daughters died in infancy and the two sons both died within a year and a half of their births. Their surviving children were Adil, Sarah, Miriam, and Chayah. Sashia died of tuberculosis in June 1807.