Ok, so... Since Secrets of the Clans came out, I updated the Family Trees, and as it turns out... Whitestorm's, Firestar's, Brambleclaw's, and Bluestar's Family Tree.
*WARNING!!! SPOILERS MAY FOLLOW!!!!*
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So here we go... -deep breath-
Moonflower is the mother of Bluestar and Snowfur. Bluestar had Mistyfoot, Stonefur, and Mosskit with Oakheart. Mosskit died in the cold when he was first born. Stonefur was slaughtered under Tigerstar's rule by Blackstar and Darkstripe in The Darkest Hour. Mistyfoot has had kits, but the mate and the names, except a black kit named Blackkit, are unknown. Snowfur had Whitestorm, Bluestar's nephew. Whitestorm with Willowpelt had Rainwhisker, Sootfur, and Sorreltail. Sootfur died in the badger attack in Twilight and Rainwhisker died between Sunset and The Sight. Sorreltail had Cinderpaw, Honeypaw, Poppypaw, and Molepaw with Brackenfur. Molepaw died [can't remember when... if you know, let me know...]. Brackenfur's siblings are Thornclaw, Cinderpelt, and Brightheart, and his mother is Frostfur. Cinderpelt died in the badger attack in Twilight. Frostfur presumely died because she stayed behind on the Great Journey. Brightheart had Whitewing with Cloudtail. Cloudtail's mother is Princess. Princess brother is Firestar, Cloudtail's mentor and uncle. Firestar and Sandstorm had Leafpool and Squirrelflight. Squirrelflight had Jaypaw, Lionpaw, and Hollypaw with Brambleclaw. Brambleclaw's sister is Tawnypelt, who had unnamed kits with Roawnclaw. His mother and father are Goldenflower and Tigerstar. Tigerstar also had Hawkfrost and Mothwing with Sasha!
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WHEW!

EDIT//

So, with the help of yingyang1220, we have uncovered one of Mistyfoot's kits! MUAHAHA!!!! And, with the help of Russetfur, we have uncovered Molepaw's color. MUAHAHAHA again! Anyway... So yeah...