Melania Trump offered an emotional eulogy Thursday at her mother’s funeral, calling her “an irreplaceable treasure.” Amalija Knavs, who was 78, died on Jan. 9 after an illness. Her funeral was held Thursday at the Episcopal Church of Bethesda-by-the-Sea in Palm Beach, Florida. Viktor Knavs, Melania Trump’s father, as well as her son, Barron, and former President Donald Trump were among those attending, according to USA Today. The former president’s children by his first wife, Ivana, also attended: Ivanka Trump, Donald Trump Jr. and Eric Trump. Tiffany Trump, his daughter by his second wife, Ma…