Here are some sources to teach about family members:

IMAGES:

Write the relationship. Ex: Bill is Henry's son.

David is Mary's

Tom is Laura's

Mary is Rachel's

Martha is Hannah's

George is Henry's

Laura is David's

Sue is George's

Mary is George's

Laura is Martha's

George is Tom's

Sue is Rachel's

Laura is George's

Henry is Tom's

Bill is Michael's

Laura is Tom's

Hannah is Tom's

George is Sue's

Tom is Mary's

Henry is George's

George and Mary are Henry

Mary is Martha's

Henry is Laura's

Sue and David are Mary's

Michael is Sue's

Mary and George are Bill's

Martha is George's
George and Mary are Tom's

http://www.englishexercises.org/makeagame/viewgame.asp?id=3355

VIDEOS:

English for children - English Family Flashcards designed for children and kids - Study with fun

02 Family - Magic English - Disney

GAMES:

Family: paint the words