sentences:  Hence the pear tree was called "Good Christian".The Williams pear is thought to date from 1765 to 1770 from the yard of an Aldermaston, England, schoolmaster named Mr. John Stair, giving rise to the now-obscure synonyms 'Aldermaston' pear and 'Stairs' pear.A nurseryman named Williams later acquired the variety, and after introducing it to the rest of England, the pear became known as the Williams Pear.