9 1 3 . ▁A ▁pione er ▁of ▁the ▁Gas co y ne ▁region , ▁Western ▁Australia ,. ▁he ▁killed ▁himself ▁by ▁str ang ulation . ▁ ▁Eth el w yn ▁Hamilton ▁" E th el ▁Ad ela ide " ▁A yl iffe ▁( 6 ▁August ▁ 1 8 6 8 ▁– ▁ 1 0 ▁December ▁ 1 9 4 4 ) ▁married ▁Herbert ▁Edward ▁Hin de ▁( ▁– ▁ 2 8 ▁June ▁ 1 9 4 4 ) ▁on ▁ 1 3 ▁December ▁ 1 9 0 2 . ▁She ▁was ▁a ▁teacher ▁at ▁Mount ▁G amb ier ▁Lad ies ' ▁College ▁in ▁ 1 8 8 9 ▁and ▁principal ▁in ▁ 1 8 9 2 . ▁He ▁was ▁a ▁bank ▁account ant , ▁lived ▁ 2 4 0 ▁Jeff c ott ▁Street , ▁North ▁Ad ela ide , ▁later ▁ 1 ▁Frederick ▁Street , ▁Gil ber ton . ▁In ▁ 1 8 9 8 ▁she ▁lived ▁at ▁ 3 2 ▁Bar n ard ▁Street , ▁North ▁Ad ela ide ▁and ▁was ▁a ▁teacher ▁at ▁a ▁private ▁school , ▁Child ers ▁Street , ▁North ▁Ad ela ide ▁in ▁ 1 9 0 0 , ▁then ▁principal . ▁The ▁school ▁closed ▁ 1 9 0 3 ▁and ▁classes ▁were ▁taken ▁over ▁by ▁Mrs . ▁Hin de ▁on ▁the ▁corner ▁of ▁Jeff c ott ▁and ▁Bar n ard ▁Stre ets . ▁They ▁had ▁two ▁children : ▁John ▁Hin de ▁and ▁Elizabeth ▁" B et ty " ▁Hin de . ▁Bl anche ▁O lave ▁St