▁A ps ion ) ▁second ▁el dest ▁daughter . ▁Lip ▁( J ody ▁L ath am ), ▁Carl ▁( El li ott ▁T itt ensor ) ▁and ▁Li am ▁( John ny ▁Ben nett ) ▁are ▁her ▁brothers . ▁Her ▁sister s ▁are ▁F iona ▁( An ne - Marie ▁D uff ) ▁and ▁St ella ▁( N ik ita ▁Brown lee ); ▁her ▁half - bro thers ▁are ▁Ian ▁( G er ard ▁K ear ns ) ▁and ▁N ig el ; ▁and ▁her ▁half - s ister ▁is ▁Del ia . ▁Although ▁Deb bie ▁is ▁only ▁ 1 6 ▁( at ▁the ▁time ▁of ▁her ▁last ▁appearance ▁on ▁the ▁show ▁in ▁ 2 0 0 9 ), ▁she ▁is ▁old ▁beyond ▁her ▁years ▁because ▁she ▁grew ▁up ▁without ▁a ▁mother ▁and ▁under to ok ▁the ▁majority ▁of ▁the ▁domestic ▁tasks , ▁At ▁the ▁start ▁of ▁the ▁series ▁Deb bie ▁t ended ▁to ▁use ▁her ▁child like ▁innoc ence ▁to ▁get ▁out ▁of ▁any ▁mess ▁she ▁or ▁family ▁get ▁themselves ▁into . ▁Since ▁F iona ▁went ▁to ▁Amsterdam , ▁Deb bie ▁is ▁often ▁task ed ▁with ▁saving ▁the ▁family ▁from ▁ru in . ▁For ▁example , ▁she ▁steps ▁in ▁when ▁Li am ▁den oun ces ▁God ▁and ▁the ▁school ▁he ▁att ends ▁makes ▁a ▁move ▁to ▁exp el ▁him . ▁Although ▁the ▁results ▁are ▁dis astr ous , ▁she ▁shows ▁herself ▁to ▁be ▁a ▁dil igent ▁individual ▁upon ▁whom ▁her ▁family ▁can ▁depend . ▁Origin ally ▁Deb bie ▁was ▁presented ▁as ▁a