Can we each have our own iCloud with only one AppleID or do we have to each have our own?

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iMore Question

My husband and I share an AppleID. We each have iPhones and I have an Ipad. My question is: can we each have our own iCloud with only one AppleID or do we have to each have our own AppleID. Each time I try to save something on the cloud from my phone or Ipad, it saves it on his too...Help!