queenless little brood

I currently have 2 hives. Hive 1 has 4 deeps of 8 frames - top 2 are almost full of honey. Hive two has 2 deeps of 8 frames - lots of honey and nectar. Problem 1: Hive two has gone queenless twice this year. One was the original queen from overwinter and the second they raised themselves...