, ▁he ▁served ▁as ▁Parliament ary ▁Private ▁Secretary ▁to ▁the ▁Secretary ▁of ▁State ▁for ▁the ▁Col on ies , ▁Lewis ▁Vern on ▁Har court . ▁ ▁Family ▁On ▁ 2 0 ▁July ▁ 1 9 1 1 , ▁he ▁married ▁Barbara ▁J ek yll , ▁daughter ▁of ▁Colonel ▁Sir ▁Herbert ▁J ek yll ▁( K CM G ) ▁and ▁the ▁artist ▁D ame ▁Ag nes ▁J ek yll ; ▁they ▁had ▁two ▁children : ▁ ▁Major ▁Martin ▁John ▁Mc L aren ▁( 1 9 1 4 – 1 9 7 9 ) ▁ ▁Guy ▁Lewis ▁Ian ▁Mc L aren ▁( 8 ▁November ▁ 1 9 1 5 ▁– ▁ 1 8 ▁August ▁ 1 9 7 8 ), ▁married ▁Mary se ▁J ub in ▁and ▁had ▁issue ▁ ▁Military ▁service ▁and ▁death ▁ ▁He ▁volunte ered ▁at ▁the ▁out break ▁of ▁war ▁and ▁was ▁commission ed ▁with ▁the ▁Royal ▁Naval ▁Vol unte er ▁Reserve . ▁He ▁served ▁with ▁Royal ▁Naval ▁Air ▁Service ' s ▁Arm oured ▁Car ▁Division ▁at ▁Gal lip oli . ▁He ▁contract ed ▁d ys ent ery ▁there ▁and ▁was ▁eventually ▁in val ided ▁out ▁of ▁the ▁Royal ▁F lying ▁Corps ▁on ▁ 3 0 ▁December ▁ 1 9 1 6 . ▁However , ▁he ▁appe aled ▁and ▁returned ▁to ▁the ▁R FC . ▁ ▁Mc L aren ▁was ▁a ▁second ▁lieutenant ▁and ▁tra ine e ▁pilot ▁in ▁Number ▁ 1 8 ▁Training ▁Squadron ▁( R N V R ) ▁when ▁he ▁died ▁on ▁ 3 0 ▁August ▁ 1