Which of the seven virtues relate to the beatitude "Blessed are those who mourn?"

I assume
that you are talking about the seven virtues from the Catholic catechism.  These are listed
as:

• Prudence
• Justice


• Fortitude
• Temperance
• Faith


• Hope
• Charity

Of these, there are
are at least three that can be related to the idea that "those who mourn" are
blessed.

First, justice is related to this beatitude.  If we feel a
strong...