Here's a prospective family tree:
Malcolm IV of Scotland (b. 1141: d. 1190) m Constance of Brittany (b. 1142: d. 1191)
Issue:
Malcolm of Scotland (b. 1162: d. 1167)
Margaret of Scotland (b. 1164)
Henry of Scotland (b. 1166)
Ada of Scotland (b. 1169)
Richard of Scotland (b. 1172)