In the horoscope of your Son, Saturn is positioned in the 7th house which is likely to delay marriage. 12th lord Mars placed in Lagana aspects the 7th house. Lagnesh Venus the karka for marriage and married life is in the 11th house of gains and exalted. Strong marriage chances are after September 2014. Although gains are indicated after marriage for him but good matching of the horoscopes should be done for marital bliss and happiness.