He has a twin sister Evelyn ( Philippa Northeast ) .
Oscar is the nephew of established character Zac MacGuire , who arrived in early 2013 , and Hannah Wilson ( Cassie Howarth ) .
Oscar has a twin sister Evelyn ( Philippa Northeast ) .
Oscar is the nephew of established character Zac MacGuire , who arrived in early 2013 , and Hannah Wilson ( Cassie Howarth ) .