This appears to be Sir Walter Acton, 2nd Bt. succeeded to the title of 2nd Baronet Acton, of Aldenham [Aldenham Hall, in Morville], Shropshire [E., 1644] on 29 June 1659. He held the office of Member of Parliament (M.P.) for Bridgnorth in 1660. (http://www.thepeerage.com/p165.htm#i1644 accesed 16/5/2007)