When my littlest brother (JW) got married at a Kingdom Hall to a JW girl, I went to the KH wedding even though I was DF'd and had hair halfway down my back. After the ceremony and before pictures the "ushers" tried to get us to leave and I said, "we're family, bozos, we're staying for pictures."
I've been lucky that none of my JW family shuns me, and my JW brother who knows I'm DF'd was happy to have me at his wedding. I feel so bad for the people who JWs get to run every aspect of their lives, even the most intimate. I haven't had these experiences (other than the elders tellling my then-JW wife to avoid me at every opportunity while we were married and encouraging her to move out and leave me) but that turned out to be a blessing in disguise. JWs sure have some twisted ideas on family affairs and I'm lucky I've been spared all this time.