cannot create a self-referencing has-many association with constrained foreign keys

sequelize-self-referencing.js

var Sequelize = require('sequelize');
var sequelize = new Sequelize('db', 'user', 'password');

var Person = sequelize.define('Person', {
  name: Sequelize.STRING,
});

var ChildrenPerson = sequelize.define('ChildrenPerson', {

  PersonId: {
    type: Sequelize.INTEGER,
    references: "Person",
    referencesKey: "id"
  },

  ChildrenId: {
    type: Sequelize.INTEGER,
    references: "Person",
    referencesKey: "id"
  }
});

Person.hasMany(Person, { foreignKeyConstraint: true, joinTableName: 'ChildrenPersons' });

sequelize.sync({force:true}).on('success', function(){
    console.log('sync OK');
}).on('error', function(err){
    console.log(err);
});

/*
 results in error:
 
Executing: CREATE TABLE IF NOT EXISTS `ChildrenPersons` (`PersonId` INTEGER , `PersonsId` INTEGER , `createdAt` DATETIME NOT NULL, `updatedAt` DATETIME NOT NULL, PRIMARY KEY (`PersonId`, `PersonsId`)) ENGINE=InnoDB;
Executing: DROP TABLE IF EXISTS `Persons`;
Executing: CREATE TABLE IF NOT EXISTS `Persons` (`name` VARCHAR(255), `id` INTEGER NOT NULL auto_increment , `createdAt` DATETIME NOT NULL, `updatedAt` DATETIME NOT NULL, PRIMARY KEY (`id`)) ENGINE=InnoDB;

TypeError: Cannot read property 'sync' of undefined
    at exec (/srv/www.tc.com/node_modules/sequelize/lib/query-chainer.js:78:37)
    at onSuccess (/srv/www.tc.com/node_modules/sequelize/lib/query-chainer.js:65:11)
    at null.<anonymous> (/srv/www.tc.com/node_modules/sequelize/lib/query-chainer.js:86:15)
    at EventEmitter.emit (events.js:95:17)
    at null.<anonymous> (/srv/www.tc.com/node_modules/sequelize/lib/dao-factory.js:195:41)
    at EventEmitter.emit (events.js:95:17)
    at null.<anonymous> (/srv/www.tc.com/node_modules/sequelize/lib/query-interface.js:162:19)
    at EventEmitter.emit (events.js:95:17)
    at null.<anonymous> (/srv/www.tc.com/node_modules/sequelize/lib/query-interface.js:698:17)
    at EventEmitter.emit (events.js:117:20)
*/