public IActionResult Filter(string name)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            var familyfilter = _familyRepository.Filter(name);

            if (familyfilter == null)
            {
                return(Content("The family is not found!"));
            }

            try
            {
                return(Ok(familyfilter));
            }
            catch
            {
                return(BadRequest(ModelState)); //or you can throw new Exception
            }
        }