Iyi nkuru YEGOB.RW  ikubwiri yabaye ahayinga mu mwaka w’1948 ubwo igikomangoma cyo muri Africa,Seretse Khama yajyaga kwiga mu Bwami bw’abongereza muri iniverisite ya Oxford.Ubwo yasozaga amashuri ye ,byari ngombwa ko agaruka ku mugabane bamwe bitaga ko wirabura (Black continent) ,aho yari ku jya ku butaka yavukagaho  bwa Botswana bwakoronizwaga n’Abongereza(British Protectorate of Bechuanaland),aho ni naho yari gutororanya umukobwa umunyuze mu bwoko bwe akaba ariwe arongora,ariko urukundo yakundanye n’umwongerezakazi Ruth Williams  Rwahinduye byose .
Umuryango we warabyanze maze umutegeka ko yavuga ko atakiri mu ruhererekane rw’Ubwami bw’iki gihugu.Guverinoma y’abongereza yagize igitutu cyo kugaragaza ko Seretse atakiri mu bwami bwa Botswana kubwo kwiyegurira umunyamahanga kandi ategeswe kubahiriza umuco karande abenguka umwenegihugu,iki gitutu ni nacyo cyaviriyemo Seretse komongana agahunga ubutaka yavukiye.
Nyuma ubwo Botswana yabonaga ubwigenge Seretse Khama niwe wabaye Perezida wambere wa Repubulika ya Botswana nk’uko inkuru y’urukundo rwasimbutse ibyitwaga imiziro yabwiwe murumuna wa Ruth Williams.
Ruth William wari warashakanye na Seretse mu mwaka wa 1948 yaje kwiraba Imana mu mwaka wa1980 naho Seretse nawe yaje gutabaruka mu mwaka w’1980 asimburwa ku buyobozi na Quett Masire .