Without specific context, it is impossible to provide a definitive answer to the question, "Who was the biological father?". The answer entirely depends on the situation being referenced.
To answer this question, specific details are needed, such as:
- Whose biological father are you asking about? Is this about a specific individual (e.g., "Who was Sarah's biological father?") or a fictional character?
- What is the context? Is this a question related to genealogy research, a legal matter, a family history investigation, or a fictional story?
- What information do you already have? Knowing what is already known helps narrow down the possibilities.
A biological father is defined as the male who contributed his genetic material to the conception of a child. This means the child inherits half of their DNA from this male parent.
In summary, without more information, I cannot answer this question.