HeaderPart header = new HeaderPart(new PartName("/word/header.xml")); Hdr hdr = objectFactory.createHdr(); hdr.getContent().add(headerTbl); header.setJaxbElement(hdr); Relationship rel1 = wordMLPackage.getMainDocumentPart().addTargetPart(header); HeaderReference headerReference = objectFactory.createHeaderReference(); headerReference.setId(rel1.getId()); headerReference.setType(HdrFtrRef.DEFAULT);