Brother
Timothy Britten Parker, Pippin Parker, Aaron D. Forste (half, younger), Andrew Forste (half, younger)
Sister
Rachel Parker (doctor), Megan Forste (half), Allegra Forste (half)
Relation
John F. Kennedy Jr. (magazine publisher), Joshua Kadison (singer/songwriter),
Robert Downey Jr. (actor, 1984 - 1991)
Son
James Wilke Broderick (b. 28-Oct-02)
Daughter
Marion Loretta Elwell Broderick (twin, b. 22-Jun-09), Tabitha Hodge Broderick (twin, b. 22-Jun-09)