▁( c . ▁ 1 8 4 8 ▁– ▁ 1 8 ▁August ▁ 1 9 2 1 ) ▁married ▁John ▁W . ▁Staff ord ▁( ▁– ▁) ▁on ▁ 1 3 ▁May ▁ 1 8 7 1 ▁ ▁He ▁married ▁again , ▁to ▁Mary ▁Sch ro der ▁( ▁– ▁) ▁on ▁ 2 4 ▁April ▁ 1 8 6 2 . ▁He ▁died ▁six ▁years ▁later . ▁Their ▁children ▁included : ▁ ▁Joseph ▁St illing ▁D uff ▁( 1 8 6 3 ▁– ▁ 2 1 ▁January ▁ 1 9 2 0 ) ▁married ▁Ad ela ide ▁L ur ina ▁C apper ▁in ▁ 1 8 8 6 . ▁He ▁was ▁a ▁theatre ▁manager ▁and ▁account ant , ▁died ▁in ▁Well ington , ▁New ▁Zealand . ▁Stuart ▁Dun can ▁D uff ▁( 1 8 6 6 ▁– ▁ 1 7 ▁June ▁ 1 9 4 1 ) ▁married ▁M abel ▁An nie ▁She ph ard ▁on ▁ 6 ▁April ▁ 1 8 9 8 , ▁lived ▁at ▁Mar ion , ▁then ▁Bright on . ▁ ▁References ▁▁ ▁Category : Austral ian ▁ship ▁own ers ▁Category : Austral ian ▁sail ors ▁Category : 1 7 9 9 ▁birth s ▁Category : 1 8 6 8 ▁death s ▁Category : B ur ial s ▁at ▁West ▁Terra ce ▁C emetery <0x0A> </s> ▁Sch ro eder ia ▁is ▁a ▁genus ▁of ▁green ▁alg ae , ▁in ▁the ▁family ▁Ch lor oc occ aceae . ▁ ▁References ▁ ▁External ▁links ▁ ▁Scient ific ▁references ▁ ▁Scient