You can use Christian Astrology volume 3 to see marriage and kids.
Also you can do the lords in houses thing, e.g. seventh house lord is the sun, the sun is in the twelfth I think, (chart is kinda hard to read)
http://www.cafeastrology.com/natal/rulersofhousesinhouses.html
Ruler of the 7th House in the 12th House
Close partnerships or marriages can be rather complex. There can be a theme of "saving" in your relationship - where one of you required special support or attention and this bonded you together, for example. You may be attracted to relationships that are unbalanced in power, that require some level of sacrifice or support, or that is private, mysterious, and possibly even reclusive. There is a tendency for you or your partner to give a lot of yourselves. You are unlikely to be very public about your close relationships, preferring to keep them private, or in some cases, finding it necessary to keep them private, secret, or mysterious. You may need to watch for tendencies to bear too much in a relationship, to sacrifice too many things for a partner, to play the role of victim or savior, and to one day resent any of these things.