The determination of character

How much of one's character is determined as consequent of their upbringing / context in their immediate family? Here are some candidate classes and respective hypotheses worth investigating;

• No siblings (introversion/extroversion)
• Sister with all brothers (confidence)
• Brother with all sisters (concern/care/sensitivity)
• Sister with all sisters (expectation)   
• Brother with all brothers (expectation)
• Younger brother no sisters (appreciation/trust)
• Younger sister no brothers (appreciation/trust)
• Older brother no sisters (leadership / planning)
• Older sister no brothers (leadership / planning)
• Female with no father (concept of self-worth)
• Male with no father (concept of responsibility)
• [No mother?]