The Danish belongs in the "Germanic" list; as does the Norwegian "vann" and "vatn" (the latter also Faroese, Icelandic, Norn), and Swedish "vatten".
The Romanian and French both comes from the latin aqua, just like the Italian/Spanish.
The Romanian and French both comes from the latin aqua, just like the Italian/Spanish.
Looking into it a bit more, the French is also from the latin source (aqua) - https://en.wiktionary.org/wiki/eau