Answer
me: yo
mom: mamá/madre
dad: papá/padre
sister: hermana
brother: hermano
grandma: abuela
grandpa: abuelo
great grandma: bisabuela
great grandpa: bisabuelo
uncle: tío
aunt: tía
cousin: primo/a (prima for female, primo for male)
If you need any other family members I can give you more, just tell me.