Are there your family photo?这句话有问题,一般情况下,Are there ...句子的回答是:Yes,there are.或 No,there aren't.表示有这么个/些东西吗?有的/没有.
但你这句子的意思明显应是这些/那些是你的家庭照吗?所以正确的问句应该是：
Are these your your family photos?或者Are they your family photos?
这时的正确回答为：Yes,they are.(问话放“这些”,回答方就是“那些”了)