John of Worcester. 1039. Brihtmar, bishop of Lichfield, died, and was succeeded by Wulfsy. The Welsh slew [Battle of Rhyd y Groes] Edwin, earl Leofric's brother, with Turkill and Ælfgeat, son of Eatsy, two noble king's thanes, and many others at the same time. Hardicanute (age 21), king of Denmark, sailed to Flanders, on a visit to his mother, Elfgiva (age 54).

Anglo-Saxon Chronicle. 05 Mar 1039. The Welsh slew Edwin, brother of Earl Leofric, and Thurkil, and Elfget, and many good men with them.