 Nyorai kupfuurira kweiyi ndima - Muna April 1603, Martin Pring akashandisa Haven senzvimbo yake yokubuda nokuda kworwendo rwake rwokuongorora kuVirginia. Nyika inosanganisira nzvimbo yeMilford, Manor yeHubberston nePill, yakawanikwa nemhuri yeBarlow zvichitevera Kuparadzwa kweMamonastery pakati pezana ramakore rechi16. Yakawana kukosha kwedzimwe nzira muzana ramakore rechi 17 senzvimbo yechiuto yeRoyalist. Charles I akarayira kuti nhare ivakwe paPill iyo yaigona kudzivisa kusimbiswazve kwevarwi veParamende vePembroke Castle, uye izvi zvakapedzwa muna 1643. Musi wa 23 February 1644, mauto eParamende aitungamirirwa naRowland Laugharne akayambuka Haven ndokusvika paCastle Pill. Nhare yacho yakapfurwa kubva kunyika nemvura, uye boka revarwi rakaiswa muchechi yeSteynton kudzivirira kurwiswa kweMambo kubva kuvarwi veHaverfordwest. Nhare yacho pakupedzisira yakakumikidzwa, uye yakakurumidza kutorwa, pamwe chete neSt Thomas a Becket chapel. Makore mashanu chete gare gare muna 1649 Milford Haven yakanga irizve nzvimbo yefariro yeParamende apo yakasarudzwa senzvimbo yokumhara nokuda kwokupinda kwaOliver Cromwell muIreland. Cromwell akasvika muHaven musi wa4 Nyamavhuvhu, achisangana naGeorge Monck, Cromwell asati aenda kuDublin musi wa15 Nyamavhuvhu. 