5th house Lord in 3rd house
1) Before knowing effect of 5th house Lord in 3rd house we have to know about Fifth house and Third house. As 5th house lord is placed 11th from own house so you may read First House lord in 11th house.
2)As 5th house and 3rd house are 11th and 3rd from each other so 5th house Lord placed in 11th house is in good relationship of 3rd-11th so it is auspicious. But 3rd house is one of dusthan from lagan so its placement regarding lagan is not so much good. So effect of placement in 5th Lord in 3rd house effect two ways to native depending on condition of 5th Lord in 3rd house.
3)3rd house is a upachaya house and belong to self efforts and strength and 5th house belong to knowledge and mentality. So 5th house Lord in 3rd house which is also a upachaya house for 5th house indicating native must gain knowledge and mental strength. But 3rd house is house for self efforts so native gain knowledge through own efforts. Native may have good mental and physical strength. Because 5th Lord is also Lord of bhavat bhavam for 3rd house (means Lord of 3rd from 3rd).
4) 5th house for children and it is placed 3rd from own house so if 5th Lord is well placed then native have many children. Native’s children may gets good success in life. Native children may gets good name -fame and prosperity. Native may gets happiness through child. But if 5th Lord in not well placed in 3rd house then good effect may reduce and evil effect may increase. Means children may have not enough lifespan, native children may not survive, children may suffering health problems.
5) 3rd house belong to younger siblings so 5th Lord in 3rd house indicating native siblings may be very courageous and full with strength. Native have many siblings. Younger siblings may gets good name and fame in society. Younger siblings may goes in politics or may be diplomat. If 5th house lord is well placed then native may gets help of his siblings. But if not well placed then native may have mental trouble with native.
6)3rd house is belong to self efforts and 5th house carry past life good deeds so 5th house Lord in 3rd house indicating to gets fruits of past life good deeds native have to show his own efforts. Means native may gets success and prosperity in life through own efforts.
7)5th house belong to knowledge and vidya and 3rd house for short travel so 5th Lord in 3rd house indicating native may go for away from mother land for getting vidya or knowledge.
8)When 3rd house Lord with 5th house Lord in 3rd house native is physically and mentally strong. Native may have child. Younger siblings have good name and fame and may be diplomat or leader of political party. Native have enough courageous and good strength.
9)If you want to know about effect of planet in 3rd house you may read Planet in 3rd house.