Sometimes they are spiritually advanced, early meditators. Sometimes they are just spacey. In context of other talents in a child's chart, these features can be problems or blessings. Sometimes the nodes indicate tragedy or profound difficulties. 6th house indicates stepchildren from the 2nd spouse, 1st house indicates stepchildren from the 3rd spouse, etc.
Lords can hasten, expand, delay, or prevent children.
For example when Saturn rules the 5th house children are delayed. Not necessarily prevented - but always delayed. Navamsha and Saptamsha Navamsha chart shows influence of partners. Saptamsha is a special harmonic chart for children and creative expression. Although men's hands often display clear marriage lines, it is rare to see clear child lines on men.