Analysis of information sources in references of the Wikipedia article "Knight" in English language version.
Knights were often vassals, or lesser nobles, who fought on behalf of lords in return for land.
The hereditary Order of Baronets was erected by patent in England by King James I in 1611, extended to Ireland by the same Monarch in 1619, and first conferred in Scotland by King Charles I in 1625.
The Crusades set the stage for several religious knightly military orders, including the Knights Templar, the Teutonic Knights, and the Hospitallers. These groups defended the Holy Land and protected pilgrims traveling to and from the region.