In this action for breach of contract for the sale of goods, the principal question is one of proof of plaintiffs’ citizenship for purposes of jurisdiction. The statute applicable at the time this complaint was filed in July, 1947 gives this court jurisdiction in all civil actions where there is the requisite amount in' controversy between “Citizens of a State and foreign States, citizens or subjects.” 28 U.S.C.A. former § 41.
Once the appropriate allegations of citizenship are made in a complaint, the plaintiff has the burden of supporting them by competent proof amounting to a preponderance of evidence upon challenge by his adversary. See McNutt v. General Motors Acceptance Corp.,
Accordingly this court is without jurisdiction and the complaint is dismissed without prejudice.
Notes
. Now 28 U.S.C.A. § 1332(a) (2), as amended by 62 Stat. 930, June 25, 1948, which provides: “Citizens of a State, and foreign states or citizens or subjects thereof
