As per your chart, Saturn is the lord of third house and fourth house, posited in the seventh house, which is functionally neutral. Also more important for marriage is the seventh lord which is Venus. Venus is posited in the second house in conjunction with Sun and Ketu.
Saturn is retrograde and also is Vargottam in the Navamsha which makes it better and helpful only effect would be some minor delays.
Seventh lord Venus is posited in the second house of Navamsha also conjunct Rahu and also the seventh lord Venus is posited under the Nakshatra Purvashada which is ruled by Venus.
The indications are your prosperity and progress of family and wealth are linked to your marriage.
As mentioned above