Mattheo Tremblay a.k.a Slytherin's Heir Biographical Information Full Name Mattheo Tremblay (mother's name) Mattheo Riddle (father's name; never used) Nickname(s) Matt Matty Theo, Love, Darling (by Hermione only) Weak Boy (by his father) Mr. Tremblay (professors) Mr. Riddle (never used) Date of Birth 29 December 1980, Tremblay Manor, Thorndale, Ledbury, England Blood Status Half-blood Marital Status Married to Hermione Granger Nationality English Also Known As Heir of Slytherin Slytherin Prince Title(s) Head Boy Auror Tremblay Minister Tremblay Physical Information Species Human Gender Male Height 6‘1 Weight 149 lbs Hair Colour Dark brown Eye Colour Dark brown Skin Colour Pale Family information Children Rosie Tremblay (daughter) Marius Tremblay (son) Parents Tom Marvolo Riddle, Jr. † (half-blood, estranged father) Cascade Tremblay † (pure-blood, mother) Grandparents Tom Riddle Snr † (paternal grandfather) Merope Gaunt-Riddle † (paternal grandmother) Mr. and Mrs. Tremblay