Original sentence: Dean was named after his maternal grandmother Deanna Campbell while his brother was named after his maternal grandfather, Samuel Campbell.The older of two boys.The younger brother is Sam, who is four years younger and was born on May 2nd 1983
Edited sentence: Dean was named after his maternal grandmother Deanna Campbell (and possibly himself), while his brother was named after his maternal grandfather, Samuel Campbell.He is the couple's older child, and has one sibling from the couple, Sam, who is four years younger and was born on May 2nd 1983