Related Clues:

• The first man
• A mad sort of ancestor
• Original or most previous
• First fruit-eater
• Father of man
• Most senior in age
• Very first in a sterile manner
• First in the order of birth
• First to be born
• Nearest the start of a time period
• Nearest the beginning in time
• The first ancestor
• 6-Down's mate
• Very early 2-Down
• First Christian ancestor