There are 35 references to Alexander Rea in the books Up To Rawdon Part One and art Two. To find this book, which is available as an easily searched e-book, go to uptorawdon.com. Many references are to his role as agent but their is detailed information on the family on pages 337 footnote 2 and on 1047 and 1048 ,including a brother who was also at Rawdon, briefly.