▁him ▁should ▁he ▁ass ists ▁the ▁former ▁to ▁break ▁free ▁from ▁his ▁imprison ment . ▁Emma ▁was ▁designated ▁as ▁Rand olph ' s ▁successor ▁as ▁research er ▁of ▁Nor se ▁arte fact s . ▁Emma ▁and ▁A ubre y ▁were ▁less ▁than ▁ 1 0 ▁years ▁old ▁when ▁they ▁died . ▁ ▁Frederick ▁Ch ase ▁– ▁An nab eth ' s ▁father , ▁a ▁professor ▁of ▁military ▁history . ▁He ▁first ▁appears ▁in ▁The ▁T itan ' s ▁Cur se . ▁He ▁own s ▁a ▁S op with ▁Cam el . ▁He ▁and ▁his ▁daughter ▁have ▁had ▁many ▁disag re ements , ▁which ▁caused ▁her ▁to ▁run ▁away ▁from ▁home ▁at ▁age ▁seven . ▁He ▁lives ▁in ▁San ▁Francisco ▁with ▁his ▁wife ▁and ▁two ▁sons . ▁In ▁The ▁T itan ' s ▁Cur se , ▁he ▁batt les ▁mon sters ▁on ▁the ▁Princess ▁And rom eda ▁with ▁bul lets ▁formed ▁from ▁cel est ial ▁bronze , ▁and , ▁at ▁the ▁end ▁of ▁the ▁book , ▁is ▁able ▁to ▁m end ▁his ▁relationship ▁with ▁his ▁daughter . ▁Frederick ▁also ▁appears ▁in ▁the ▁Magn us ▁Ch ase ▁& ▁The ▁God s ▁of ▁As g ard ▁series , ▁where ▁he ▁is ▁called ▁by ▁his ▁brother , ▁Rand olph , ▁to ▁visit ▁Boston ▁and ▁search ▁for ▁his ▁long - estr anged ▁nep hew , ▁Magn us ▁who ▁had ▁been ▁missing ▁for ▁two ▁years , ▁after ▁the ▁death ▁of ▁his ▁mother / ▁Fred rick ▁and ▁Rand olph ' s ▁sister ▁Natal ie . ▁ ▁Mrs . ▁Ch ase