The following characters are all family members of Sierra Jennings, one of the protagonists of the series.
“Samuel Jennings is the father of three daughters, Will, Sierra, and Lulu. He had an affair with...Samuel Jennings
“Leslie Jennings is the minor character in the All About Us series. Unlike her older sisters...Lulu Jennings
“Michael "Mike" Haines is the firstborn son of Sierra Jennings and Logan Haines. He was born when...Michael Haines