<prompt> Bhala okuqhubekayo kwalesi sigaba - Umsebenzi kaRobert Umfraville ngokuyinhloko wawungowempi. Umbhali wezindaba uJohn Hardyng owangena enkonzweni ka-Umfraville esikhathini esithile phakathi kuka-1402 no-1403 ubika ukuthi u-Umfraville walwa eMpini yase-Otterburn ngo-1388, njengengxenye yeqembu likaHenry Hotspur indodana ka-Earl waseNorthumberland. UHardyng uthi lokhu kwalandelwa ukuhlasela kokuqala kwemingcele eminingi u - Umfraville ayeyihola eScotland ngo - 1390. Lokhu kwaqhubeka ngemva kokubhujiswa kweNkosi uRichard II, futhi cishe wabamba iqhaza eMpini yaseHomildon Hill  <response>: ngo-1402. Eqinisweni, naphezu kokushintsha kombuso ngo-1399, imisebenzi ka-Umfraville yayingaguquki kakhulu, futhi amaqiniso amadala ahlala: inkonzo yasebukhosini, ukuphatha kwasendaweni nokuvikela umbuso. Wabhaliswa ukuba ahlanganyele ekuhlaselweni kweScotland nguHenry IV ngo-1400, okwathola okuncane kakhulu; U-Umfraville kamuva wabangela ukunqotshwa kwebutho elikhulu laseScotland eFulhope Law ngemuva kokuzama ukuhlasela. Waqhubeka nokuvikela umngcele eminyakeni eyishumi eyalandela, futhi ubuchwepheshe bakhe kwezombusazwe bendawo bamsiza ukuba eluleke iWarden ye-Eastern March, indodana yeNkosi, uJohn, uMbusi waseLancaster. Kungenzeka ukuthi u-Umfraville wayesebenza njengomphathi wombusi, emkhosini ophakathi nowase uphelile. Ngo-1407, kanye nomshana wakhe osemncane uGilbert V de Umfraville, waba khona, njengomqashi omkhulu, ekubekweni esihlalweni sobukhosi kukaMbhishobhi omusha waseDurham, uThomas Langley. 