The term 'CHESTNUT's Kin' is referring to the BEECH tree, which is a species of deciduous tree in the family Fagaceae. It is native to temperate Europe, Asia, and North America, and is widely cultivated for its nuts and wood. BEECH trees can grow up to 30 meters tall and have smooth, gray bark. The leaves are oval-shaped and the flowers are small and yellow-green. BEECH nuts are edible and are often used in baking and cooking.