All these were vs All this were

Some examples from the web:

• All these were the overseers of King David's possessions.
• And Ophir and Havilah and Jobab. All these were the sons of Joktan.
• 8 All these were of the sons of Obed-Edom: they and their sons and their brothers, able men in strength for the service; sixty-two of Obed-Edom.
• 40 All these were sons of Asher, the leaders of families, elect and very strong rulers among rulers.
• 19 All these were at the hand of the king, aside from the others, whom he had positioned in the walled cities, in all of Judah.
• 38 Azel had six sons, and these were their names: Azrikam, Bocheru, Ishmael, Sheariah, Obadiah and Hanan. All these were the sons of Azel.
• 31 And over the sheep was Jaziz, a Hagarene. All these were leaders over the substance of king David.
• 31 The flocks were in the care of Jaziz the Hagarite. All these were the controllers of King David's property.
• 8 The sons of Becher were Zemirah, Joash, Eliezer, Elioenai, Omri, Jeremoth, Abijah, Anathoth and Alemeth. All these were the sons of Becher.
• 8 All these were of the sons of Obed-Edom: they and their sons and their brethren, able men in strength for the service, were sixty-two of Obed-Edom.
• 40 All these were the children of Asher, heads of the fathers' houses, choice and mighty men of valor, chief of the princes.
• 44:7 All these were honoured in their generations, and were the glory of their times.
• 11 All these were sons of Jediael, according to the heads of their fathers' households, 17,200 mighty men of valor, who were ready to go out with the army to war.
• 9 and their relatives according to their generations, 956. All these were heads of fathers' households according to their fathers' houses.
• And over the flocks was Jaziz the Hagerite. All these were the rulers of the substance which was king David's.
• All these were sons of Aser, heads of their families, choice and most valiant captains of captains: and the number of them that were of the age that was fit for war, was six and twenty thousand.
• All these were sons of Benjamin.
• All these were conducted within the framework of European support for clean coal production.
• All these were sons of Machir the father of Gilead.
• All these were breakout albums recorded on a shoestring budget.

Some examples from the web:

• I wish all this were just a dream.
• And if all this were just an experiment?
• What would you say if all this were yours?
• As if all this were not expectable.
• The European Union cannot treat such matters as if all this were just a matter of delicate diplomatic procedures.
• Her mother's totally on the edge, and if all this weren't enough apparently Alan's been off his meds for almost six months.
• At last, if all this were not enough, the government takes part on the games and the lotteries demonstrating that also for he the priority today is that to defuse the bomb of the beloved fuel .
• And if all this weren't enough, the Mirabilandia theme park, one of Italy's favourite theme parks with attractions, shows and activities for all ages, is located nearby.
• If all this were true, Father, don't you think the "real maid"
• And if all this were not enough to convince you, add the fact that this last minute in January 2015 in Livigno is a very tasty way to relax, go shopping in the duty-free area and taste food and wine that are a credit to the Valtellina!
• I am always surprised that this is commented on in a wounded tone as if we were misunderstood, as if all this were unfair, and even the answers on this subject have a very paternalistic ring about them.
• "And rising high above all this were the Appalachians."
• What would you say if all this were yours?