-He's an only child.
-Three sons: Sean Brosnan (b. September 13, 1983), Dylan Thomas (b. January 13, 1997) and Paris Beckett (b. February 27, 2001).
-He also has two adopted children, Charlotte Brosnan (b. 1971) and Christopher Brosnan (b. 1973).
-His father Thomas Brosnan left the household when Pierce was a child and although reunited later in life, the two have never had a close relationship
-Brosnan left Ireland on 12 August 1964 and was reunited with his mother and her new husband, a British World War II veteran, William Carmichael, now living in the Scottish village of Longniddrie.