His name implies that he was the grandson, or great grandson, of Cluasach; but of his history nothing else can be ascertained.
Charles Matthews Many and Eliza Anna Francisco; grandson of John Vicary Many and Jane Howell Johnson, great grandson of Peter Johnson and Bethia Horton, and great-great-grandson of Thomas Horton and Susana Conklin.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "great grandson" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.