Genealogy Questions

* What was your father's mother's maiden name?
Virginia Lesser

* What was your father's mother's father's name?
Henry Aloysius Lesser

* What is your father's mother's father's patrilineal line? That is, his father's father's father's ... back to the most distant male ancestor in that line?
Henry Lesser's father is Michael Lesser. Michael Lesser's father is Morris Lesser.

* Can you identify male sibling(s) of your father's mother, and any living male descendants from those male sibling(s)? If so, you have a candidate to do a Y-DNA test on that patrilineal line. If not, you may have to find male siblings, and their descendants, of the next generation back, or even further.
Virginia had one brother, Robert Lesser. Robert had one son, named Robert. But theres a slight problem we don't know where the son, Robert is. He could be dead for all we know. Robert kind of went MIA.