▁( 1 7 7 7 – 1 8 4 7 ) ▁also ▁lived ▁here . ▁ ▁The ▁Elect ress ▁August a ▁( 1 7 8 0 – 1 8 4 1 ), ▁who ▁was ▁est r anged ▁from ▁William ▁II , ▁used ▁it ▁as ▁her ▁town ▁house ▁and ▁summer ▁residence . ▁ ▁In ▁ 1 8 6 6 ▁H esse ▁was ▁an nex ed ▁to ▁Pr uss ia . ▁The ▁building ▁was ▁recovered ▁by ▁a ▁branch ▁of ▁the ▁pr inc ely ▁family ▁in ▁ 1 8 8 0 . ▁From ▁ 1 9 3 3 ▁until ▁the ▁Second ▁World ▁War ▁it ▁was ▁the ▁residence ▁of ▁Philipp , ▁Land gra ve ▁of ▁H esse ▁( 1 8 9 6 – 1 9 8 0 ), ▁during ▁his ▁ten ure ▁as ▁President ▁of ▁the ▁Province ▁of ▁H esse - N ass au . ▁In ▁the ▁mid - 1 9 3 0 s ▁Philipp ▁made ▁parts ▁of ▁the ▁palace ▁into ▁a ▁public ▁art ▁gallery . ▁When ▁Philipp ▁was ▁arrested ▁in ▁September ▁ 1 9 4 3 ▁on ▁susp icion ▁of ▁plot ting ▁with ▁the ▁Italian ▁royal ▁family ▁to ▁over throw ▁M uss ol ini , ▁the ▁palace ▁was ▁pl aster ed ▁with ▁post ers ▁den oun cing ▁the ▁Italian ▁royal ty . ▁The ▁palace ▁surv ived ▁Al lied ▁bomb ing ▁ra ids ▁during ▁World ▁War ▁II ▁( 1 9 3 9 - 1 9 4 5 ) ▁with ▁little ▁damage . ▁ ▁The ▁palace ▁was ▁acquired ▁by ▁the ▁city ▁of ▁K ass el ▁in ▁ 1