Possible Clues:

• Degenerative state of Venetian magistrate keeping volunteer army once
• Spot mature time of feeble-mindedness
• Weakness of advanced years
• Children's game introduced to adult female in later years
• Party for one enjoying escalating senior years
• Mark time when senior moments become the norm
• Excessive fondness
• Should surely be eligible for a dowry before this 34 across
• Female admitting children's game is an old weakness
• Magistrate imprisons soldiers showing decrepitude