Webin astrology, the ascendant in the 4th house synastry placement can signify a deep emotional connection and sense of belonging between individuals. Webthe fourth house describes those feelings that begin in childhood with our family, and remain with us throughout our lives. The fourth house is ruled by cancer and the moon. Webwhen the ascendant in a natal chart is in the 4th house of another person's chart, it signifies a deep connection between their individual identities and their shared sense of home,. Webthe basic idea is this: If your sun is at, say, 3 degrees of leo, what house would your sun occupy in your partner’s chart? And, if your moon is at 13 degrees of taurus, in what.