19.	Related Party

Due to Affiliates

As of June 30, 2018 and December 31, 2017, we had an aggregate of $27,299,000 of liabilities that were due to affiliates. These liabilities were comprised of a $24,500,000 note payable to CNBB-RDF Holdings, LP, which is an entity partially owned by Katharina Otto-Bernstein (a member of our Board of Directors), and a $2,799,000 note payable to a different entity owned by members of the Otto Family, both of which were made in lieu of certain cash distributions prior to the completion of our initial public offering. The notes are due in November 2018 and bear interest at a fixed rate of 1.40%. We recognized interest expense of $97,000 and $35,000 for the three months ended June 30, 2018 and 2017, respectively, and $192,000 and $69,000 for the six months ended June 30, 2018 and 2017, respectively, in connection with these notes, which is included as a component of “interest and debt expense” on our consolidated statements of income.

Management Agreements

We provide property management, leasing and other related services to certain properties owned by members of the Otto Family. We recognized fee income of $215,000 and $210,000 for the three months ended June 30, 2018 and 2017, respectively, and $424,000 and $412,000 for the six months ended June 30, 2018 and 2017, respectively, in connection with these agreements, which is included as a component of “fee and other income” on our consolidated statements of income.

We also provide property management, asset management, leasing and other related services to our unconsolidated joint ventures and real estate funds. We recognized fee income of $4,558,000 and $3,369,000 for the three months ended June 30, 2018 and 2017, respectively, and $7,094,000 and $11,775,000 for the six months ended June 30, 2018 and 2017, respectively, in connection with these agreements. As of June 30, 2018 and December 31, 2017, amounts owed to us under these agreements aggregated $1,722,000, and $1,627,000, respectively, and are included as a component of “accounts and other receivables, net” on our consolidated balance sheets.

Hamburg Trust Consulting GMBH (“HTC”)

We have an agreement with HTC, a licensed broker in Germany, to supervise selling efforts for our private equity real estate funds (or investments in feeder vehicles for these funds) to investors in Germany, including distribution of securitized notes of a feeder vehicle for Fund VIII. Pursuant to this agreement, we have agreed to pay HTC for the costs incurred to sell investments in this feeder vehicle, which primarily consist of commissions paid to third party agents, and other incremental costs incurred by HTC as a result of the engagement, plus, in each case, a mark-up of 10%. HTC is 100% owned by Albert Behler, our Chairman, Chief Executive Officer and President. We incurred expense of $42,000 and $134,000 for the three months ended June 30, 2018 and 2017, respectively, and $60,000 and $170,000 for the six months ended June 30, 2018 and 2017, respectively, in connection with these agreements, which is included as a component of “transaction related costs” on our consolidated statements of income. As of June 30, 2018 and December 31, 2017, we owed $83,000 and $51,000, respectively, to HTC under these agreements, which are included as a component of “accounts payable and accrued expenses” on our consolidated balance sheets.

Mannheim Trust

Dr. Martin Bussmann (a member of our Board of Directors) is also a trustee and a director of Mannheim Trust, a subsidiary of which leases office space at 712 Fifth Avenue, our 50.0% owned unconsolidated joint venture. The Mannheim Trust, which is for the benefit of Dr. Bussmann’s children, leases 5,593 square feet, which expires in April 2023. Our share of rental income from this lease was $89,000 and $84,000, for the three months ended June 30, 2018 and 2017, respectively, and $181,000 and $178,000 for the six months ended June 30, 2018 and 2017, respectively.