Edwin (Eadwyne) of Mercia

Please see Darrell Wolcott: Edwin of Tegeingl and His Family - The Ancestry of Edwin of Tegeingl; http://www.ancientwalesstudies.org/id42.html. (Steven Ferry, June 4, 2020.)

In the above cite, Darrell Wolcott indicates that Eadwine was probably a brother of Leofwine. The Wikipedia article on Leofwine indicates that his father was named AElfwine, who is otherwise unknown: https://en.wikipedia.org/wiki/Leofwine,_Ealdorman_of_the_Hwicce. (Steven Ferry, June 4, 2020.)