Bastard dream meaning is explained below using 4 different sources. Each interpretation is shown with its source.

Interpretation 1 — DreamForth

Dreaming that you are a bastard in the true sense of the word suggests a feeling of loss or disownment in relation to your family in particular your parents. Possibly you have allowed yourself to detach from your parents and now are finding a need to reconnect. Making the first move is recommended to reignite a sense of family. Forgiveness may also need to be considered so as to enable you to create a new relationship with your family or parents.
Source: Dream Symbols and Analysis Author: DreamForth

Interpretation 2 — Zolar

lucky numbers: 03-05-11-41-40-47

being a: to overcome lack of love, you must give it.

ashamed of: you wil have trouble raising al of your children.

having a: dissatisfaction that another’s way won’t give you yours.

of a: other’s discovery of your impurities obstructs your living up to your purities.

Source: Zolar’s Book of Dreams Numbers and Lucky Days Author: Zolar

Interpretation 3 — Stearn Robinson - Tom Corbett

A peculiar example of contrary meaning.

If you dreamed of being one, you can expect some unusual honor to come your way; of someone else being one, you can look forward to an improvement in your social standing.

Source: The Complete Guide to Interpreting Your Dreams Author: Stearn Robinson - Tom Corbett

Interpretation 4 — Margaret Hamilton

The unregenerate; uncharacteristic of any literal interpretation
Source: Dream Dictionary Unlimited Author: Margaret Hamilton