Can I get a one-year extension on my non-O marriage visa if I live apart from my Thai wife but have a half-Thai child living with me?

The user is inquiring about the possibility of obtaining a one-year extension on their non-O marriage visa due to their half-Thai child living with them, despite no longer living with their Thai spouse. A commenter suggested that it is possible to request an extension based on raising a half-Thai child, recommending that the user consult their local immigration office for specific requirements.