Shortly after Hector married Maureen McReary, Louis and his family invited the entire McReary-Wilson Family over to his house and meet his kids. Out of Louis and Carol's household, Adrian and Troy are the only ones to appear frequently in the series; Louis, Carol, and Samantha do not play a big role.
Louis was mentioned by Hector in the comic special "Like Father, Like Sons (And Daughter)", who was apparently telling a story about him to Maureen during their date. The reason why Louis and his family did not attend Hector and Maureen's wedding because it was revealed that they went on a vacation to Las Vegas, Nevada.
A name in navy indicates a returning character from the original series. A name in teal indicates a new character introduced in this series. A name in italics indicates a character that will not make frequent appearances.