Florence - A Woman Scorned
You will get this quest from a woman in Florence.  She is standing in the southern part of the town. 
We head south to a marked area. Target her husband  using your vision and then beat him. 
Forli - Wanton Hubby
Woman located in the north is asking you to beat her unfaithful husband. A man hides under the roof of a house that is near the river.  Of course, you will give him a lesson.  This time two comrades will help him - they shouldn't be a problem for you.
Forli - Scuity Knocks
Another woman needs assistance in the eastern part of the town.  Her husband is in the south-western part of the city - shamelessly flirting with another girl in the middle of the square. 
Tuscany - Spear of Infidelity
The woman in the city will ask you for the same thing. We will find her husband on the city walls - he is a guard.  We take his weapon, throw it away and beat him until he will expresses his remorse. 
Venice - Philanderer on the Roof
A woman in the north-western part of Venice will ask you for... the same.  Her husband is on the roof; near the hideout.