Related Clues:

• See 53-Down
• Sires
• Fathers
• Gives rise to
• Results in
• Kennel club categories
• Runs a stud farm, say
• Kennel collection
• Generates
• Brings on
• Brings about
• Siamese et al.
• Multiplies
• Shar-Pei and Shih Tzu, e.g.
• Livestock lineages