Emma Willis explored the back streets of Birmingham, uncovered a violent ancestor, and revealed magnificent Irish craftsmanship in her family tree.  In this week’s episode of Who Do You Think You Are?, we followed the lives of three of Willis’ ancestors: James Gretton, Richard Fowler, and Michael Kirwan.  We will take a closer look at the newspapers and explore what more we can discover about the stories and lives revealed. James Gretton Emma Willis found out that her three-time great …