sentences:  This was their first actual encounter with the Murray River and it was named by Governor James Stirling after the Secretary of State for the Colonial Office in London, Sir George Murray.Within a few months, settlers from the Swan River had started to explore the river and choose blocks along its banks.Thomas Peel had left Britain with a promise that if he arrived at Fremantle by the beginning of November 1829 with 400 settlers, he would be allocated a grant of , comprising much of the land on the south bank of the Swan River to Cockburn Sound.