We are planning a small wedding of about 100 people in October. Because we want the wedding to be initimate (and we want to know everyone there!), our single friends are not being invited with dates. We have mentioned this to them & they're all on board. This leads to an awkward family issues. We recently found out that my 22 year old cousin is having a baby. He is not in a relationship with the mother, whom we have never met, but is moving into her apartment to help with the baby (this is according to my aunt). My parents & I aren't sure how to proceed with invitation etiquette - are we obligated to invite her because she is living with my cousin? Should we invite only him & see if he asks to bring her?