Kammala jumla mai zuwa: Nylander ya auri matar Camilla (née Altelius). Yana da 'ya'ya shida: Michelle (an haife shi a 1994), William (an haife shi a 1996), Alexander (an haife shi a 1998), Jacqueline (an haife shi a 2000), Stephanie (an haife shi a 2003), da Daniella (an haife shi a 2006). William ya shiga aikin soja
2014 da Toronto Maple Leafs a matsayin na 8th overall, yayin da Alexander kuma aka rubuta 8th overall by Buffalo Sabres a cikin 2016 NHL Entry Draft. Alexander yana wasa da Chicago Blackhawks. 'Yar Jacqueline mai son zama kwararriyar 'yar wasan tennis ce, tana fafatawa a zauren WTA da kuma kwaleji a Jami'ar Methodist ta Kudu.