a person or animal that is descended from another one (that is mentioned)

person in line of ancestry

a shoot from a branch or twig of a living tree, fixed in another tree to form a new growth

transplant

a person with the legal right to receive a title, property etc when the owner dies

person who inherits possessions

a child; children; young of animals

child, children

puppy

child, children

a person or thing that succeeds another

heir

a small shoot on a branch; to notice, realize, (something)

small branch