Members shall be all of those owners as defined in Article III. Members shall be entitled to one vote for each Lot or Unit in which they hold the interest required for membership by Article III. When more than one person holds such interest in any Lot or Unit, all such persons shall be members. The vote for such Lot shall be exercised, as they among themselves determine, but in no event shall more than one vote be cast with respect to any one Lot or Unit.