Fund for my late sister's three kids

My sister Melissa recently passed away from heart complications. She leaves behind three wonderful children Emily(14), Emilio(8), Ella(5). My sister worked extremely hard to provide for her children. She pushed on through her illness without ever complaining. She was always seen laughing and in good spirits. We would love to raise money that will go directly to my two nieces and nephew.  Thank you in advance for your contribution.