Katie is the bride's sister.  She will be the Maid of Honor

Heather is a friend of the bride's since elementary school.

Jennifer is the bride's aunt.

Whitney is a friend of the bride's since middle school.

Ashley is a friend of the bride and groom.

Jamie is a friend of the groom's from work.

Mike is a friend of the bride and groom from work.

Phill is a family friend ("brother") of the bride.

Brian is a friend of the bride and groom.