Original sentence: On his father's death, sometime after 13 Sep 1358 (when he was yet living), Henry Sinclair succeeded as Baron of Roslin, Pentland and Cousland, a group of minor properties in Lothian
Edited sentence: Sometime after 13 Sep 1358, Henry's father died, at which point Henry Sinclair succeeded as Baron of Roslin, Pentland and Cousland, a group of minor properties in Lothian