Findings:

• Spawn
• chaos spawn (user)
• dark spawn (user)
• spawn (user)
• Spawn of Cthulhu.com (user)
• Spawn of Nature Trail to Hell (in 3-D): or "Oh, Nurse, there's a noder in my KY..."
• Necronomicon: Of Ye Old Ones And Their Spawn
• Warp Spawn Games
• spawn kill
• Cthulhu Spawn
• Demon Spawn (user)
• Spawn of the Winds
• breeding like rabbits
• breeding (user)
• Interspecies breeding
• Breeding Bettas
• Captive breeding for preservation
• captive breeding
• Chocobo Breeding
• cross breeding
• breeding population
• selective breeding
• Breeding is not that difficult
• breeding

If you Log in you could create a "Breeding the Spawn" node. If you don't already have an account, you can register here.