The seventh house is also a maraka, so the placement of the 7th House Lord In 11th House increases the maraka power of the seventh lord. Regarding life span, the eleventh house is the house of happiness, so the presence of the 7th Lord In 11th House affects the life span of the person. So if the seventh lord is not properly placed in the eleventh house, then it can reduce the life span according to its maraka power. Otherwise, the person may have to face health-related problems.