<P> The Old Three Hundred were the 297 grantees, made up of families and some partnerships of unmarried men, who purchased 307 parcels of land from Stephen Fuller Austin and established a colony that encompassed an area that ran from the Gulf of Mexico on the south, to near present - day Jones Creek, Brazoria county Texas, Brenham in Washington County, Texas, Navasota in Grimes County, and La Grange in Fayette County . Moses Austin was the original empresario of the Old Three Hundred and was succeeded by his son, Stephen F. Austin, after his untimely death . </P> <P> Stephen Austin agreed to implement his father's plan, and in the summer of 1821 he and a small group of settlers crossed into Texas . Before he arrived in San Antonio to meet with the governor, they learned that Mexico had earned its independence from Spain, making Texas a Mexican province rather than a Spanish province . Governor Martinez assured him, however, that the new Mexican government would honor the colonization contract . </P>

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