Citizens of a state and citizens/subjects of a foreign state

Citizens of different states and in which citizens/subjects of a foreign state are additional parties

a foreign state as Π and citizens of a state or diffferent states

Corporation is a citizen of every state of its incorporation AND where it has its principal place of business

Unincorporated entity is a citizen of every state in which a member is a citizen

A person is a citizen of the state in which they are physically present and intend to remain

District courts shall have supplemental jurisdiction over all clams so related that they form part of the same case or controversy

No supplemental jurisdiction in 1332 jurisdiction cases over claims by Π against persons made parties by Rule 14, 19, 20, or 24 or over claims by persons proposed to be joined as Π under rule 19 or seeking to intervene as Π under rule 24 if such claims are inconsistent with 1332.

supplemental claim substantially predominates over original jurisdiction claim

exceptional circumstances involving other compelling reasons to decline