Question: shadowhunters is jace and clary brother and sister

title: List of The Mortal Instruments characters
text: Clary Fairchild The Mortal Instruments character Shadowhunters character Clary , as portrayed by Katherine McNamara in the TV series . First appearance Novels : City of Bones ( 2007 ) Film : The Mortal Instruments : City of Bones ( 2013 ) Television : `` The Mortal Cup '' ( 1.01 ) Last appearance Novels : Lord of Shadows ( 2017 ) Created by Cassandra Clare Portrayed by Lily Collins ( film ) Katherine McNamara ( television ) Information Full name Clarissa Adele Fairchild Clarissa Adele Fray ( former ) Nickname ( s ) Clary Biscuit Species Shadowhunter Gender Female Occupation Co-head of the New York Institute ( novels ) Family Oscar Morgenstern † ( paternal grandfather ) Seraphina Morgenstern † ( paternal grandmother ) Granville Fairchild II † ( maternal grandfather ) Adele Fairchild † ( maternal grandmother ) Valentine Morgenstern † ( father ) Jocelyn Fray ( mother ) Jonathan Morgenstern † ( brother ) Luke Garroway ( stepfather ) Significant other ( s ) Jace Lightwood - Herondale ( boyfriend ) Simon Lewis ( best friend / ex-boyfriend ) Parabatai Simon Lewis Born ( 1991 - 08 - 21 ) August 21 , 1991 ( age 26 ) Manhattan , New York , U.S. Residence The New York Institute Park Slope , Brooklyn ( former ) Abilities Art Use of heavenly weapons Nephilim physiology Runic magic Angelic blood empowerment The Sight Parabatai bond 

Answer: answer: Jace Lightwood is Clary's significant other.