About the 3rd and 4th house in depth I will cover in my astrology blog soon and you should subscribe to my newsletter or connect on my facebook page for all the latest.
I can give your a brief now.
3rd House – Represents initiative, coborns, it is also the house of small journeys, it is the about courage.
4th house – Represents Vehicles, Mother, Home, land, property, it is also of family peace which you need to see when doing a marriage chart.
Blessings,
Navneet Khanna
Astrologer