Know your Spouse through Birth Chart - Vedic Astrology Blog The 7th house of the astrology chart deals with your spouse. It will be ruled by a sign. Every sign is ruled by each planet. The planets ruled by each sign are given below: Find which sign is occupying in your 7th house. If it is occupied by Aries then the ruling planet will Mars. If it is Taurus, then the 7th house will be ruled by Venus.