WWI U-boat commanders

Claus Lafrenz

Kapitänleutnant (Crew 4/07)

Successes
58 ships sunk with a total of 53,132 GRT
3 ships damaged with a total of 4,533 GRT

Born:	9 Jan 1887
Died:	4 Apr 1937

Ranks

3 Apr 1907		Seekadett
21 Apr 1908		Fähnrich zur See
28 Sep 1910		Leutnant zur See
27 Sep 1913		Oberleutnant zur See
20 Aug 1917		Kapitänleutnant
30 Apr 1925		Korvettenkapitän (Charakter)
30 Apr 1925		Out of naval service

Decorations

		Iron Cross 2nd class
		Iron Cross 1st class
30 Jun 1917		Royal House Order of Hohenzollern
1918 or later		Hanseatic Cross

U-boat Commands

UB 18	28 Oct 1916	-	7 Jul 1917
UC 65	4 Sep 1917	-	3 Nov 1917

Notes

Prisoner of war November 3, 1917.

Ships hit by Claus Lafrenz

Date	U-boat	Name of ship	Type of ship	Tons

23 Nov 1916	UB 18	HENDRICK	Fishing vessel	35	fr
24 Nov 1916	UB 18	Øifjeld	Steamer	1,988	nw
25 Nov 1916	UB 18	Emlynverne	Steamer	544	br
27 Nov 1916	UB 18	Borø	Steamer	819	nw
27 Nov 1916	UB 18	Perra	Steamer	1,682	nw
27 Nov 1916	UB 18	Rhona	Steamer	640	br
28 Nov 1916	UB 18	Auguste Marie	Sailing vessel	63	fr
28 Nov 1916	UB 18	Lucienne	Steamer	1,046	sp
30 Nov 1916	UB 18	Aud	Steamer	1,102	nw
30 Nov 1916	UB 18	Christabel	Sailing vessel	175	br
30 Nov 1916	UB 18	E.L.G.	Fishing vessel (smack)	25	br
30 Nov 1916	UB 18	Egholm	Steamer	1,348	da
30 Nov 1916	UB 18	Marie Marguerite	Sailing vessel	136	fr
30 Nov 1916	UB 18	Njaal	Steamer	718	nw
30 Nov 1916	UB 18	Saint Ansbert	Sailing vessel	275	fr
1 Dec 1916	UB 18	T. And A.C.	Fishing vessel (smack)	23	br
1 Dec 1916	UB 18	Indiana	Sailing vessel	178	fr
1 Dec 1916	UB 18	Saint Joseph	Sailing vessel	182	fr
2 Dec 1916	UB 18	Skjoldulf	Steamer	502	nw
3 Dec 1916	UB 18	Mizpah	Sailing vessel	57	br
3 Dec 1916	UB 18	Seeker	Sailing vessel	74	br
3 Dec 1916	UB 18	Yrsa	Steamer	879	da
31 Dec 1916	UB 18	Eva	Steamer	1,081	nw
31 Dec 1916	UB 18	Flora	Steamer	1,033	nw

2 Jan 1917	UB 18	Bestik	steamer	2,185	nw
2 Jan 1917	UB 18	Ellik	Steamer	603	nw
4 Jan 1917	UB 18	Næsborg	Steamer	1,547	da
5 Jan 1917	UB 18	Danevirke	Steamer	1,433	da
1 Feb 1917	UB 18	WELLHOME (d.)	Sailing vessel	113	br
3 Feb 1917	UB 18	Confiante	Sailing vessel	85	fr
3 Feb 1917	UB 18	Goeland	Sailing vessel	305	fr
3 Feb 1917	UB 18	Lars Kruse	Steamer	1,460	da
3 Feb 1917	UB 18	Sainte Marie	Sailing vessel	60	fr
4 Feb 1917	UB 18	Cerera	Steamer	3,512	ru
28 Feb 1917	UB 18	Harriet Williams	Sailing vessel	157	br
1 Mar 1917	UB 18	Chatburn	Steamer	1,942	br
12 Mar 1917	UB 18	Topaz	Steamer	696	br
15 Mar 1917	UB 18	ADIEU VA	Sailing vessel	64	fr
16 Mar 1917	UB 18	Sir Joseph	Sailing vessel	84	br
17 Mar 1917	UB 18	Marie Louise	Sailing vessel	291	fr
17 Mar 1917	UB 18	Marie Louise	Sailing vessel	426	fr
18 Mar 1917	UB 18	Marie Louise	Fishing vessel (dundee)	33	fr
1 May 1917	UB 18	C. A. Jaques	Steamer	2,105	br
2 May 1917	UB 18	Juno	steamer	1,384	br
2 May 1917	UB 18	Tela	Steamer	7,226	br
11 May 1917	UB 18	Tarpeia	Steamer	538	br
14 May 1917	UB 18	Elizabeth Hampton	Sailing vessel	108	br
15 May 1917	UB 18	Panaghi Lykiardopoulo	Steamer	3,193	gr
3 Jun 1917	UB 18	Sarah Colebrooke (d.)	Q-ship	158	br
6 Jun 1917	UB 18	Cornelia	Sailing vessel	170	nl
8 Jun 1917	UB 18	Cariad	Fishing vessel (smack)	38	br
8 Jun 1917	UB 18	Ocean’s Pride	Fishing vessel	42	br
8 Jun 1917	UB 18	Onward	Fishing vessel (smack)	39	br
8 Jun 1917	UB 18	Torbay Lass	Fishing vessel (smack)	38	br
9 Jun 1917	UB 18	Marjorie	Auxiliary motor	119	br
5 Jul 1917	UB 18	Bjerkø	Steamer	1,871	nw
25 Sep 1917	UC 65	Paolina	Sailing vessel	1,337	am
3 Oct 1917	UC 65	Tasmania	Steamer	3,662	it
18 Oct 1917	UC 65	Comrades	Navy Drifter	63	br
31 Oct 1917	UC 65	North Sea	Steamer	1,711	br
2 Nov 1917	UC 65	Branksome Hall (d.)	Steamer	4,262	br
				57,665
58 ships sunk (53,132 tons) and 3 ships damaged (4,533 tons). Legend (d.) means the ship was damaged. We have a picture of this vessel.