Non-Christians in Christian Families

Jer 12:5 If thou hast run with the footmen, and they have wearied thee, then how canst thou contend with horses? and [if] in the land of peace, [wherein] thou trustedst, [they wearied thee], then how wilt thou do in the swelling of Jordan?

Jer 12:6 For even thy brethren, and the house of thy father, even they have dealt treacherously with thee; yea, they have called a multitude after thee: believe them not, though they speak fair words unto thee.

Mat 13:53 And it came to pass, [that] when Jesus had finished these parables, he departed thence.

Mat 13:54 And when he was come into his own country, he taught them in their synagogue, insomuch that they were astonished, and said, Whence hath this [man] this wisdom, and [these] mighty works?

Mat 13:55 Is not this the carpenter's son? is not his mother called Mary? and his brethren, James, and Joses, and Simon, and Judas?

Mat 13:56 And his sisters, are they not all with us? Whence then hath this [man] all these things?

Mat 13:57 And they were offended in him. But Jesus said unto them, A prophet is not without honour, save in his own country, and in his own house.

Mat 13:58 And he did not many mighty works there because of their unbelief.