Judith Tolkien's great uncles and aunts:

Judith Tolkien's great uncle was Hilary Tolkien

Judith Tolkien's first cousins once removed:

Judith Tolkien's first cousin once removed was Nicholas Tolkien Judith Tolkien's first cousin once removed is Anna Tolkien Judith Tolkien's first cousin once removed is Gabriel Tolkien Judith Tolkien's first cousin once removed is Julian Tolkien Judith Tolkien's first cousin once removed is Paul Tolkien