(735 ILCS 5/13-105)
(from Ch. 110, par. 13-105)
Twenty years - Computation.
If such right or title first
accrued to an ancestor or
predecessor of the person who brings the action or makes the entry, or
to any person from, by, or under whom he or she claims, the 20 years shall
be computed from the time when the right or title so first accrued.
(Source: P.A. 82-280.)