In 1654 an Englishman named Thomas Pell purchased 50,000 acres ( 200 km² ) from the Siwanoy , land which would become known as Pelham Manor after Charles II 's 1666 charter .
In 1654 an Englishman named Thomas Pell purchased from the Siwanoy , comprising the land of the current Pelham Bay Park as well as the nearby town of Pelham , New York . 
 This land would become known as Pelham Manor after Charles II 's 1666 charter .