What type of visa do I need to stay in Thailand for three months with my husband and father?

The user is seeking information on obtaining a visa for themselves, their husband, and their father to stay in Thailand for three months, knowing they can get a 30-day visa. The conversation among the community members touches upon financial requirements related to visa eligibility, emphasizing that at least 500,000 THB or its foreign currency equivalent may be necessary, suggesting keeping a bit over this amount for safety.