9 1 3 . ▁Their ▁mar ital ▁union ▁did ▁not ▁produce ▁any ▁children , ▁however , ▁and ▁consequ ently ▁the ▁Os bor ne - G ib bes ▁Baron et cy ▁became ▁ext inct ▁with ▁the ▁death ▁of ▁the ▁Four th ▁Baron et ▁on ▁ 8 ▁February ▁ 1 9 4 0 ▁( although ▁descend ants ▁of ▁the ▁Second ▁and ▁Third ▁Baron et , ▁through ▁various ▁female ▁lines , ▁are ▁still ▁living ▁in ▁New ▁Zealand ▁and ▁Australia ). ▁The ▁Four th ▁Baron et ▁was ▁a ▁veter an ▁of ▁military ▁service ▁with ▁the ▁New ▁Zealand ▁armed ▁forces ▁during ▁the ▁First ▁World ▁War ▁but ▁unlike ▁his ▁prede cess ors , ▁he ▁had ▁never ▁felt ▁comfortable ▁with ▁his ▁arist ocr atic ▁title , ▁bel ieving ▁that ▁it ▁was ▁an ▁an ach ron ism ▁in ▁a ▁modern ▁dem ocr atic ▁society ▁such ▁as ▁New ▁Zealand ' s . ▁ ▁Early ▁history ▁of ▁the ▁family ▁ ▁The ▁surname ▁of ▁Gib bes ▁is ▁of ▁Norman ▁origin . ▁The ▁for eb ears ▁of ▁the ▁Barb ados ▁baron ets ▁can ▁be ▁trac ed ▁back ▁to ▁ 1 4 th - century ▁Dev ons hire . ▁Bel ong ing ▁to ▁the ▁land ed ▁gent ry , ▁they ▁inter mar ried ▁with ▁other ▁proper t ied ▁families ▁and ▁grew ▁in ▁importance ▁during ▁the ▁reign ▁of ▁King ▁Richard ▁II ▁of ▁England . ▁They ▁possessed ▁a ▁semi - fort ified ▁stone ▁man or ▁house ▁and ▁bar n ▁complex ▁named ▁Vent on ▁and ▁raised ▁liv est ock ▁near ▁the ▁edge ▁of ▁D art mo or . ▁The