In you horoscope chart there are twelve houses of bhavas each represent a different part of life. For example 7th house tells you about your spouse. Ruling lords (bhava athipathi) (planets / grahas) for 12 rashis are mentioned in a separate post (please refer that)
3rd lord in 1st house:
If the 3rd lord is in the ascendant, the native will have self-made wealth, be disposed to worship, be valorous, and be intelligent although devoid of learning.
3rd lord in 2nd house:
If the 3rd lord is in the 2nd, the native will be corpulent, devoid of valor, will not make much efforts, be not happy , and will have an eye on others' wives and others' wealth.
3rd lord in 3rd house:
If the 3rd lord is in the 3rd, the native will be endowed with happiness through coborn and will have wealth and sons, be cheerful and extremely happy.
3rd lord in 4th house:
If the 3rd lord is in the 4th, the native will be happy, wealthy and intelligent but will acquire a wicked spouse.
3rd lord in 5th house:
If a the 3rd lord is in the 5th, the native will have sons, and be virtuous. If in the process the 3rd lord be conjunct or aspected by a malefic, the native will have a formidable wife.
3rd lord in 6th house:
If the 3rd lord is in the 6th, the native will be inimical to his coborn, be affluent, will not be well disposed to his maternal uncle, and be dear to his maternal aunt.
3rd lord in 7th house:
If the 3rd lord is in the 7th, the native will be interested in serving the king and be not happy during boyhood but at the end of his life.
3rd lord in 8th house:
If the 3rd lord is in the 8th, the native will be a thief, will derive his livelihood serving others and will die at the gate of royal palace.
3rd lord in 9th house:
If the 3rd lord is in the 9th, the native will lack paternal bliss, will make fortunes through wife and will enjoy progeny and other pleasures.
3rd lord in 10th house:
If the 3rd lord is in the 10th, the native will have all kinds of happiness and self-made wealth and be interested in nurturing wicked females.
3rd lord in 11th house:
If the 3rd lord is in the 11th, the native will always gain in trading, be intelligent although not literate, be adventurous, and will serve others.
3rd lord in 12th house:
If the 3rd lord is in the 12th, the native will spend on evil deeds, will have a wicked father, and will be fortunate through a female (or wife).