There is no information provided to generate family names from the given data. The prompt only offers a list of names (Manju Nath, Ramya, Badri, Trilokya) and requests the generation of family names from this data. There is no context or instructions on how these names should be used to create new family names. More information is needed, such as:

• Desired style: Should the new names be similar in style to the provided names (e.g., Indian names)? Should they be completely different?
• Desired meaning: Should the new names have specific meanings or connotations?
• Number of names: How many new family names are required?
• Relationship between names: Should the new names be related to the provided names in any way (e.g., variations, combinations)?

Without this additional information, it is impossible to generate family names.