Debian versions for Ubuntu

Ubuntu	Debian
20.10 groovy	bullseye/ sid - 11
20.04 focal	bullseye/ sid
19.10 eoan	buster / sid - 10
19.04 disco	buster / sid
18.10 cosmic	buster / sid
18.04 bionic	buster / sid
17.10 artful	stretch / sid - 9
17.04 zesty	stretch / sid
16.10 yakkety	stretch / sid
16.04 xenial	stretch / sid
15.10 wily	jessie / sid - 8
15.04 vivid	jessie / sid
14.10 utopic	jessie / sid
14.04 trusty	jessie / sid
13.10 saucy	wheezy / sid - 7
13.04 raring	wheezy / sid
12.10 quantal	wheezy / sid
12.04 precise	wheezy / sid
11.10 oneiric	wheezy / sid
11.04 natty	squeeze / sid - 6
10.10 maverick	squeeze / sid
10.04 lucid	squeeze / sid