Noah and Miranda Jacob, of Boston, announce the birth of a son, Dylan Frederick Jacob, born on Nov. 17 at the Brigham and Women’s Hospital. Dylan weighed 8 pounds, 8 ounces at birth. He is welcomed by grandparents David and Kelly Hill and great-grandmother Mary Ellen Hill, of Oak Bluffs, and grandparents David and Judy Gronlund Jacob of Highland Park, N.J.